You can cancel or reschedule your appointment from the Appointment details page.
Cancel Appointment
Click on Cancel. A pop-up appears asking your confirmation for Cancel.
Click on Yes and the appointment gets cancelled.
Reschedule Appointment
Click on Reschedule. New Appointment page comes up where you can provide location, appt. type, rescheduled date and time. Follow the same steps as when you are booking a new appointment.