Yes, you can cancel your service repair appointment within MyServices. Sign into MyServices using your TWC ID and go to My Appointments.
You can also cancel your service repair appointment by using the My TWC™ app. You can download the My TWC™ app for your Android OS device from Google Play or for your iOS device from iTunes.
Don’t have a TWC ID? You can view your appointments by providing your phone number and Zip Code associated with your service address. If you want to reschedule or cancel your appointments you must register for a TWC ID.