We're sorry to know that you'd like to cancel the service and we'd like to arrange one of our account specialists to contact you for assistance, @tzhang0928.
We have located an account using your community details, but we'd like to make sure that we got the right one.
Please PM us your TPG customer ID, username and complete address together with your best contact number and most convenient time to receive a call.
To send a PM, please refer to this link: How do I private message (PM) in the community
