Select Calendar (found on the left side of the screen)
Locate and click the appointment to reschedule
Click the Pencil icon (found in the upper right corner of the page)
Change the Date and Start Time
Add Notes: Please indicate if the reschedule is for free and the number of time the reschedule was done.
Scroll down and hit Update
Set the Duration (refer to the duration of the set Appointment type)
Change the Status to Re-scheduled
Click Save