Step by step
Open a completed booking
On Calendar, open a booking that is already completed (status Done / completed).
Choose Book next appointment
In Booking Details, choose Book next appointment. The helper text explains: same customer, service & employee — pick new date.
Confirm the new slot
New booking opens with those fields prefilled (often about four weeks ahead). Adjust the date and time, then save.
Verify on Calendar
Check that the new booking appears for the same staff member and customer.