You must be a member and be logged in to carry out these tasks.
To cancel a booking (sign-up): on the navigation menu

  1. click the entry Account at the upper right. 
  2. Below is the Events block with four bullets. Click the first entry Classes I am attending.
  3. Now you see a list of the classes you are currently signed up for. Find the block you want to cancel and click the Delete at the beginning of the row.