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How an AI receptionist actually books an appointment over WhatsApp (calendar sync, freeBusy, and why "no" should never be the final answer)

David FriedmanAug 30, 2026 • 5 min read

How an AI receptionist actually books an appointment over WhatsApp (calendar sync, freeBusy, and why "no" should never be the final answer)

A technical walkthrough of the WhatsApp booking pipeline - calendar sync, Google freeBusy, blocked t...

#ai#firebase#googlecalendar#tutorial

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