Mistakes from consultants that I'm paying for. Bad service

I'm very disappointed with Telkom. They kept calling me to come in for a upgrade, when I finally went for an upgrade the consultant at the store never upgraded my account but opened a whole new cellphone contract on my name without my knowledge. This month I got my invoice of R2100 and according to my knowledge I only have one cellphone contract. When I called the call center, they couldn't help me and said I should go into the store so that the store can fix the problem that they made. At the store they couldn't help me, all they could do is send a email to head office so that they could assist me with canceling the new contract, waving my funds because of a mistake that a consultant made and upgrading my current account with the benefits that I asked for but never received. I received a case number but no one contacted me. After a few days Telkom called me to inform me that my current contract can be upgraded. I was very mad because it should have been upgraded. I explained the situation to the consultant and she said sorry she couldn't help me, she doesn't have any advise but to call yet again. I called again and the consultant gave me a new case number and informed me that someone will come back to me in 72hours. 96 hours later no one contacted me so I called yet again. The consultant that answered told me that the procedure is easy, she was going to send me a cancellation link to apply for my new unasked contract to be cancelled, my funds on my new contract that I didn't ask for or the benefits that I did not receive to be waved on my invoice and for my benefits to be transferred to my old contract as an upgrade. I thanked her for she was the first consultant to give me a solution. After I hung up, I never received the email with the cancellation link. The next day I called yet again. The consultant only sent me a link to register for something, but after I registered there was no cancellation link to follow. I'm quite unhappy because no one has been able to help me. No one provided me with an answer or a proper solution. My funds still hasn't been waved for a mistake that a consultant made. My account still hasn't been upgraded, my "new" contract that the consultant opened still hasn't been cancelled, my benefits still doesn't reflect on my old contract . No one from head office has called me, even after I got a few case numbers. I'm very disappointed in Telkom's service.