put https://{api_url}/api/v5//members//bookings/
Update an Existing Booking (mobile contact number, attendance, number of spaces and booking questions). The booking question is a data structure that looks like:
Provide an auth-token, a company id, a member id and a booking id to make changes to that booking
N.B The user is instead referred to the Member Edit Booking endpoint that will return a schema, which contains the booking questions and possible answers.