Anyone know a Scheduling Chatbot?

Hi All,

I’m in need of a chatbot which I can connect through Dialogflow to twilio (send and receive calls). The chatbot’s goal is to schedule an appointment. The appointment should be scheduled into google calendar, or output to a google sheet. The bot will also need to record name, age, and phone number for the caller.

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I’m wondering if anyone has ever created something similar or seen it elsewhere. Or, if anybody knows a way to do this simply.

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thanks in advance