There are TWO ways in which you can reschedule appointments for the clients. Below is the process of how to do this:
RESCHEDULE METHOD ONE:
Navigate to your calendar by clicking CALENDAR on the menu bar.
Click on the appointment you wish to reschedule.
Drag it to the desired rescheduled day time.
RESCHEDULE METHOD TWO:
Navigate to your calendar by clicking CALENDAR on the menu bar.
Click on the appointment you wish to reschedule to open the appointment information.
Click OPEN APPOINTMENT
Click RESCHEDULE
Select the DATE
Select the TIME
Click CONFIRM