DSTV bills for canceled subscription, sorry its not our problem?!

Absolutely disgusting experience with some chick from your Cape Town branch. I had disconnected my service for 26 June and was billed, I phoned and said I had disconnected on the self service portal how come my service is still active and I am being billed. She says that "well, it shows on my system you did not disconnect" I also phoned to arrange the disconnect and she says, there are no notes on my account that I phoned! (this is not the first time this has happened) So I said that if I used the self-service portal I assume that it is working so why was it not canceled? Your self-service is then faulty?She says its not her problem and that your system is never faulty? Excuse me? So what are you saying? That I did not phone? That I did not cancel? I phoned the JNB branch and got service immediately, my service was stopped and my refund initiated. I was only pausing for 2 months since I am over seas, but now you will never ever see my again, Netflix it is!