Companion does not offer free times from a calendar or add appointments to a diary by itself. Google Calendar is listed on the Integrations page, but connecting it does not change anything in your chats yet.
Set it up
1
Build the form
Go to Templates, choose Create new and pick Template with a form. Add the questions you need, then choose Submit for review. Meta has to approve it before it can be sent.
2
Send it
Send it from a conversation with Send template, or from a workflow or a broadcast.
3
Read the answers
The customer’s answers appear in the conversation. All of them are listed under Form submissions on the template’s page.
4
Confirm with the customer
Reply in the conversation to confirm the time, and add it to your own diary.