One2one is **** network m not happy at all

I have opened an account with Donna claire and one of the sales assistants offered me one2one contract package I got interested so in march this I tried to close it... so I went to Exact (Boulders shopping ) they told me that they cant help me so they told me to go to American swiss (BOULDERS SHOPPING COMPLEX ) so a sales associates named lebogang helped me and he was very helpful and , so we managed to close down the contract... so now whats bothering me is that today I called the customer service I spoke they couldnt help... so I went back again to American Swiss found the same person Lebogang who helped me last time he helped me again and we spoke to Emmanuel From one2one customer service he told we have to wait for the sim card to loose connection and I have to call back so they can assist me with changing the current contract to prepaid... m getting impatient now... please help get what I want because I am done with them