List Bookings retrieves bookings from a TidyCal account, optionally limited
to a time window.
Output
Bookings is a list. Each item includes booking ID and type, start and end
times, timezone, meeting URL, contact details, creation and cancellation
timestamps, and a list of custom question/answer pairs.
Leave both dates empty to retrieve the account’s available booking history, or
set a narrow range before processing every booking downstream.
