Are you holding my credit cause you owe "please call me guy" money????

Please assist. Took out a new contract, called customer care and asked for EVERYTHING to be capped. It was done, but somehow went over with my minutes and got charged (no fault of mine).Called in, queried and seems fault **** on your side, got put to your "back office" and told yes, fault lies with Vodacom and credit will be passed. Ja nee till today no credit passed, call customer care and agent was so unhelpful, had me on hold for over 30 mins had to hang up and now revert to Hello Peter for assistance. Can someone get back to with regards to this credit and when will it be passed???