CANCEL ALL MY CONTRACTS!!!!!!

I HAVE BEEN TRYING TO CANCEL MY CONTRACTS WITH MTN FOR YEARS!!!!! I KEEP CALLING THE CALL CENTRE, GET TOLD THEY HAVE BEEN CANCELLED BUT THERE'S STILL MONEY THAT BEING DEBITED! THE LAST TIME I CALLED WAS 2 MONTHS AGO AND WAS TOLD THAT BECAUSE OF THE DATE OF MY CALL, THE LAST DEBIT WOULD HAPPEN IN SEPTEMBER AND NOTHING AFTER THAT! OVER THE WEEKEND, R350 WAS DEBITED FROM THE ACCOUNT AGAIN! I CALLED THE CALL CENTRE YET AGAIN, I WAS TOLD THAT MY REQUEST HAS NOT BEEN ACTIONED, AGAIN, AND R175 WOULD BE DEBITED AT THE END OF NOVEMBER BECAUSE THE INVOICE HAS ALREADY BEEN GENERATED! THIS I NOT ACCEPTABLE, I WANT THIS CANCELLED AND I WANT MY MONEY BACK!!!! <br> THESE ARE REFERENCES FOR ALL THE CALLS I'VE MADE AND WAS TOLD THIS WAS SORTED!<br> ***<br> ***<br> ***2 AND ***