Contract made without permission or contract not cancelled when I have ref that I did cancel.

On the 2 July I requested my Telkom account be canceled. My contact ended in October. I got a call they would cancel it in October and lower my monthly costs by making the bundle less until then. 3 sales people call asking me if I want a new contract. A contract for data. I said no thank you I have a contact with vumatel. They kept on pushing I said no many times during this call. But now it looks like I’m signed up for a contract that I did not ask for or someone has not cancelled the contract. I phoned Telkom the First Lady says she can’t do anything. It takes time to cancel the contract. I need to pay. She asks for message I got with reference nr for the cancellation. I look for it and we get disconnected. I phone again get another person. She is absolutely rude! And I says I have to go to a Telkom store. I found the reference number for the cancellation but she wouldn’t help me. She kept on asking where my bank was debited from but my bank doesn’t get debited. I used to pay the amount into their account. So she was not wanting to help me. I have asked who do I talk to what can I do? No help...... I am not paying for something that I did not ask for. I have no time to stand in a long Telkom line. It is the end of the year things are crazy.