Poor costumer relation

My name is Tebogo Brian Mabalane I have a problem with DSTV price lock ever since I toke a new contract after the old one expire i had problems after problems at one stage they said i ow R2800 which I paid and the amount never went down since June i have been paying more money . on the 14 August I called and spoke to one of their agent she then discovered that I was over charged , she tried ti reverse the money but her supervisor advice her not too but rather escalate my query, I was given a reference number *** and promised that my query will be attended to within 24 hours still today i have not got a respond and every time i inquire i then get allocated a new reference number.