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I am seeking a professional service to develop an advanced AI voice agent tailored for my business needs. The solution must be innovative, efficient, and integrate seamlessly with our existing systems. Key Requirements: - Build an AI Agent capable of understanding and responding to natural language queries. - Ensure compatibility with multi-language support and 24/7 availability. - Enable smooth transitions to human representatives when necessary. - Create a custom voice personality aligned with our brand identity. - Integrate with external applications and platforms for enhanced functionality. Expected agent features: - Efficient call handling and appointment scheduling. - Maintaining a professional yet approachable tone. - Offering alternative solutions and proactive problem-solving. - Sending reminders and confirmations to clients. AI Agent Prompt: You are an AI appointment scheduling assistant with expertise in managing business calendars. When interacting with clients, maintain a professional and friendly tone. Guidelines: 1) Ask for essential information (date, time, duration, purpose). 2) Offer alternative slots when requested times are unavailable. 3) Confirm appointments with clear summaries and send reminders. 4) Handle rescheduling efficiently. 5) Balance client convenience with business operating hours. 6) Use conversational yet precise language for scheduling details. I look forward to collaborating with a skilled developer to bring this project to fruition.
Project ID: 40538981
15 proposals
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Active 4 days ago
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15 freelancers are bidding on average ₹3,113 INR for this job

Hey, AI voice agents for appointment scheduling are exactly what I build. I recently shipped one for a medical provider using Vapi and GoHighLevel that handles inbound calls, books appointments, and sends reminders automatically. For your system: Vapi for the voice layer with a custom personality aligned to your brand, OpenAI for natural language understanding, n8n for the scheduling logic and calendar integration, and automated SMS/email reminders for confirmations and rescheduling. Smooth escalation to human agents when needed built in from day one. Multi-language support available through ElevenLabs voice selection. The budget listed is quite low for a production voice agent — happy to discuss scope and what's achievable within your constraints. What platforms do you need calendar integration with — Google Calendar, Outlook, or a custom CRM? Umair
₹600 INR in 7 days
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Hi, I build AI voice agents for appointment scheduling using Twilio, OpenAI, and Google Calendar API — this is exactly what I deliver. 24/7 availability, multi-language support, smooth human handover, custom voice personality via ElevenLabs, and automated reminders and confirmations all included. Let's build it!
₹1,050 INR in 7 days
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As the mastermind behind AI software interfacing, my extensive experience in creating AI systems that seamlessly align with existing workflows makes me an ideal candidate for your AI Agent Development project. Merging a range of technologies spanning Odoo ERP, IoT hardware engineering to mobile and web development utilizing stacks on React, Flutter, Node, Django, deploying on AWS, GCP, and Azure; I am bound to implement AI in ways others cannot even fathom. If your project involves embedding AI in enterprise software or talks to hardware, then my skillset would enable me to deliver results beyond expectations. Naturallanguage processing is second nature to us. I'll painstakingly engineer an AI voice agent for your business communication which precisely attends to every nuance of client queries while maintaining impeccable professionalism. Getting deep in analyses of the client brief and preparing precise transcripts for meetings and appointments will never be a problem as I've successfully handled similar tasks before. Besides efficiency in calendar management, our AI Agent will encompass capabilities like offer alternate slots when requested times aren't available, sending reminders and maintain clear summaries.
₹1,050 INR in 7 days
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Drawing from my extensive experience in AI content creation, I'm confident that I can design a state-of-the-art AI voice agent perfectly aligned to your business needs. My expertise lies in creating natural and conversational language models, a skillset essential for developing an AI Agent capable of understanding and responding to natural queries. Moreover, I have the rare ability to build in multi-language support seamlessly, ensuring your brand's global reach. Through precise and conversational communication, I excel at asking for necessary information promptly from clients and offering alternative slots when requested times are unavailable - all while balancing their convenience with your business's operating hours. Additionally, my knack for sending clear appointment summaries and reminders is an added asset that upgrades client service experience. With me on board, you're assured of innovative, efficient and effective integration into your existing systems making client connect even better than before!
₹600 INR in 7 days
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Hello, I have reviewed your requirements and understand that you need an AI-powered voice agent for appointment scheduling, customer communication, and business automation. I have experience developing AI agents using OpenAI, conversational AI frameworks, speech-to-text, text-to-speech, workflow automation, and API integrations. I can build a solution that handles calls, schedules appointments, sends reminders, manages rescheduling, and transfers conversations to human agents when required. Key features I can deliver: • Natural voice conversations with custom brand personality • Multi-language support • 24/7 availability • Calendar integration (Google Calendar, Outlook, etc.) • Appointment booking and rescheduling • Automated reminders and confirmations • Human-agent handoff • CRM and third-party application integrations • Conversation logging and analytics Technical Stack: • OpenAI / LLM Integration • STT & TTS Services • Node.js / Python Backend • REST APIs & Webhooks • Cloud Deployment and Monitoring I can also optimize the conversation flow and prompt design to ensure a professional, friendly, and efficient customer experience. I am available to start immediately and discuss your business requirements in detail. Best Regards, Prachi
₹1,000 INR in 2 days
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I have been working in agentic ai , gen ai, llm since 2 years. I can you fulfill your requirements .
₹3,500 INR in 7 days
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Hello, I am a Computer Science Engineer with experience in Python, FastAPI, PHP, MySQL, AI/ML, and Full Stack Development. I have successfully developed REST APIs, web applications, AI-powered systems, and database-driven projects. I understand your project requirements and can deliver a clean, efficient, and well-documented solution within the required timeline. I focus on code quality, regular communication, and timely delivery. My relevant experience includes: • FastAPI Product API Development • AI & Machine Learning Projects • PHP & MySQL Web Applications • Data Science Solutions • Real-Time System Development I am available to start immediately and would be happy to discuss your requirements in detail. Thank you for your consideration. Best Regards, Vijay Dhavan
₹1,050 INR in 7 days
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Hi, I noticed you're looking for an AI voice agent with appointment scheduling, multi-language support, and seamless human handoff — this is exactly what I specialize in. I have hands-on experience building production-ready AI voice agent platforms using the following stack: Twilio — inbound/outbound call handling ElevenLabs — custom branded voice personality Deepgram — accurate real-time speech recognition LangChain & LangGraph — intelligent multi-turn conversation management Google Calendar API — automated appointment scheduling & reminders The solution will include everything you've outlined — 24/7 availability, alternative slot suggestions, confirmation messages, rescheduling, and smooth escalation to human agents when required. I understand business-critical systems need to be reliable and professional, and I treat every project with that standard. Could we schedule a quick 10-minute call to understand your specific business requirements before I begin? Looking forward to working with you. Karan Chandel
₹1,500 INR in 3 days
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I'll build your AI voice agent — branded personality, multilingual, 24/7, with smart appointment scheduling and seamless human handoff. Deliverables: ✅ AI voice agent: natural language understanding via LLM (GPT-4/Claude) + speech layer (ElevenLabs/Deepgram) — custom voice personality aligned to your brand ✅ Appointment scheduling: collects date/time/purpose, checks calendar availability, offers alternatives when slots conflict, confirms with clear summaries ✅ Reminders & confirmations: automated SMS/email sent to clients post-booking and pre-appointment ✅ Rescheduling flow: handles changes efficiently within business operating hours ✅ Human handoff: smooth escalation trigger when agent detects complexity or client request — warm transfer to live representative ✅ Multilingual support: language detection + response in client's preferred language ✅ External integrations: calendar (Google/Outlook), CRM, and communication platforms via API ✅ 24/7 availability: cloud-deployed, always on Stack: Python backend, Twilio for telephony, ElevenLabs for voice, LLM for reasoning, calendar API for scheduling — modular and extensible. Share your existing systems and brand voice guidelines — ready to begin immediately.
₹600 INR in 3 days
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I am an expert in AI development and can build a sophisticated voice agent for your business. My technical approach starts with designing a modular agent architecture using Python that handles natural language understanding and integrates directly with your live calendar via API. I will implement a robust scheduling logic that prioritizes real-time data to prevent double-bookings, rather than relying on static files. The agent will feature a custom voice personality and a clear, professional tone that maintains brand consistency across all interactions. To ensure your operations run smoothly, I will integrate a secure handoff protocol that detects complex queries and immediately notifies a human representative. My delivery plan includes a dedicated phase for testing appointment flows, rescheduling logic, and reminder configurations to guarantee 24/7 reliability. I am available to start immediately and would appreciate the opportunity to discuss your specific CRM requirements to ensure the agent fits your workflow perfectly. Best regards, Sneh Vijayvargiya
₹1,100 INR in 7 days
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Nasirpur, India
Member since Jul 22, 2025
$30-250 USD
£20-250 GBP
$57 USD / hour
$25-50 AUD / hour
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£20-250 GBP
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₹37500-75000 INR
$250-750 USD