Summary
Stephanie Nyarko walks through building a fully functional AI phone receptionist — capable of answering calls, checking a live calendar, and booking appointments — without writing a single line of code. The finished agent, named Ava, is demonstrated live booking a physiotherapy appointment at a fictional clinic called Maple Row Physiotherapy, handling back-and-forth conversation, confirming details, and completing the booking in real time.
The three-tool stack is Twilio (for the phone number), ElevenLabs Agents (for real-time voice turn-taking and interruption handling), and Claude Sonnet (as the reasoning brain, selected directly within the ElevenLabs agent configuration). Google Calendar connects natively inside ElevenLabs, eliminating the webhook and middleware layer that made similar builds more complex six months ago. The video covers the full agent prompt in detail — including how to write conversational instructions for voice rather than text, how to set hard limits (no pricing quotes, no clinical advice, no cancellations), and how to handle caller escalation gracefully by taking a message for a named human.
Nyarko also frames the business case clearly: any service business that loses revenue when calls go unanswered — physiotherapy clinics, plumbers, salons, driving instructors — is a natural fit for this type of deployment. For AI automation freelancers looking for a client-friendly first product, the video argues this use case is unusually easy to explain and to quantify in terms of ROI.
📺 Source: Stephanie Nyarko · Published September 09, 2026
🏷️ Format: Tutorial Demo
