Request Cancellation & Refund of Payments made

I have contacted the above branch on several occasions to speak with the person who issued the contract without success. On 17.08.2015 I sent an email to customer care and the branch manager, without any response from them. On 27.08.2015 I phoned customer care and spoke with Khoketso who gave me a generic call centre response, which I rejected, and I explained to her why I am rejecting her response. I asked her to escalate my query to management. She confirmed that she would escalate it to her supervisor Yolandi, to date, no response from them. On 07.09.2015 I sent another email to customer care and the branch manager. To date, no response from them. The reason that I want to cancel is due to a medical problem, to which I supp**** a medical certificate. I am terribly disappointed and have lost my faith in them as a service provider.