Cancel My Service [Edited]

I am so FED UP with Xfinity's "customer service" call center. [Edited: "Inflammatory/Language"]

I called to cancel my service and the lady had me on the phone for way over 15 minutes, constantly saying "her system was loading." I told her I'm canceling because I'm moving to an area that only uses a different company. I already checked the Xfinity website and confirmed I cannot transfer this service, so I have to cancel. She kept asking me a ton of questions that were irrelevant to the convo (what did I mostly use the service for, how was the service, etc). I told her I was at work and needed to make this call as quick as possible, but answered her questions as quickly as I could.

There were MANY periods of silence, and at one point I had to say "hello? Helloooo?" At least 5 or more times to get her to come back on the call (so she was obviously just talking to someone else), just for her to tell me her "system was loading." She had already said I just needed to return my items to the local Xfinity, but she kept me on hold/mute. FINALLY after getting her back, I asked if there was anything else she needed from me, and she repeated about me returning my box. Ok, cool...I told her I would, and I just wanted to MAKE SURE I was not getting billed past today. She said I was not. And guess what? I get an email after, saying "ORDER CONFIRMATION." Looks like instead of canceling my service, (the whole reason for the call)...it looks like she added something to my account, and it shows my next bill is due on 6/16. I now have to leave work to GO to an Xfinity store to cancel, so I do not get billed again. This is insane.

[Title Edited: "Inflammatory and All Caps"]