Pathetic service from Cell C Get more.

I phoned Cell C get more in August to cancel my subscription, they told me that a consultant will phone me to cancel. A month later still no call, so I phoned them again. This time they said that on their system it shows that my subscription is cancelled and I will only pay until September. End October came, and there it was again, the subscription on my statement. Talking to them again, they said they will sort this out and it is cancelled. Getting my November statement, surprise surprise it's still there. After being on the phone with them over 10 times since August I jumped on the phone again wanting to talk to management. So I got to Calvin who helped me very nicely saying he is going to stop it immediately and make sure that I get credited 2 months subscription. I was relieved that this was sorted. So Decembers statement came and still it is not cancelled. This is totally unacceptable and I feel like cancelling all my Cell C contracts. I know that if I phone Cell C get more they are just going to say they will sort this out, it's 4 months later and still no solution.