Account paid in full - Request Cancellation

I have paid my account in full and require Vodacom to cancel my contracts *** & ***).<br> The legal department on *** is pushing me to the cancelations department on *** and back and forth and back and forth. <br> <br> I want my contracts cancelled and a letter from Vodacom stating that the account has been settled in full and is now closed. This is a simple request.