To close off bookings for a specific booking type only, leaving the other options available for customers to book, follow the steps below:
Click Settings, Sites then select the site.
Click Unavailable Dates.
Scroll down to Close Bookings.
Select Close [booking type name] then click ADD ANOTHER.
Enter in the date range you want to close this booking type for.
Click Save.
📌Note: To close bookings from 13:00 - 00:00, for example on 20 December, you need to mark the To date as 21 December as 00:00 is the start of the day.