Poor Service

At the end of Feb, I was shopping and found my phone was pinched from my bag. I rushed over to the MTN Store, where approx 8 people were queueing to be helped.Desperate for assistance to have my number stopped, I asked an consultant to please assist. She gave me a number to phone (with a ****** phone??!!) or to sit in the line and wait for a consultant to assist. This while someone has my phone already and can run my bill for as long as they want because I now have to sit and wait. I rushed home, and asked my husband to please dial the nr provided, only to find that the nr is only a MTN-friendly number as dialling from a Vodacom phone that nr did not work. I eventually was able to suspend my acc however this nr could not be used to stop my acc, I had to dial another! Eventually I got through to a call center to help me(or so I thought) with switching it over to a prepaid sim (***) to ensure that i am not liable for further contract costs only to find that today (AGAIN!!!) the contract was debited off my bank account. I held the line for 11 mins and again for 27 mins today (not getting through) to get answers but now give up, dont know what to do anymore.