Click your name in the top right corner (3 horizontal lines on mobile).
Click My Subscriptions.
Click the instructor's name on the subscription you want to cancel. This will redirect you to the instructor's subscription tab.
4. Click the Cancel option on the subscription.
Once cancelled, the subscription will expire, and you will not be charged for the next billing cycle. You can still book and attend classes for the subscription period you have paid for.
Lear more about cancellations and refunds here.