Please see this help-faq https://www.help.cms-tool.net/blog/917868
It is easy to take bookings for services from customers. This feature might be used by physios, dentists, massage therapists, or tour operators running regular service times.
Enable customers to book their hire items and be sure of availability, setting the pickup and return times.
Take bookings for accommodation.
If you have a number of seats available to book on regular timetable, such as a tour van, shuttle service, movies, or tourist activity.
Learn how to connect your booking calendar to your Google Calendar on your devices.
If you don't want to take bookings over a certain period, you can set a calendar resources Available From: date to prevent bookings from an earlier time.