You can cancel an appointment in a couple of ways:
Canceling from your Client Portal Home Page
If the session is displayed under the Upcoming Session panel on your home page, click on the session name. This will take you to the appointment details page. The appointment can then be canceled by clicking the Cancel session button on the left:
Optionally, you can click the 3 dots next to the appointment in the Upcoming Sessions panel and select Cancel from the options provided:
Canceling from your My Bookings Page
If the session is not displayed in the Upcoming Sessions panel, go to your My Resources > Bookings page:
Then click View details next to the session:
This will take you to a page where you can cancel the session. Optionally, click the 3 dots to the right of the Reschedule button and select Cancel from the options provided.