moved to a wrong package

I got a first time contract last year with cell c, then lately I have visited the cell c store in town for updates on my contract then the consultant who assisted me select a wrong package for me and I was also given a wrong information about the new package, I have realized that through the sms I hv received regarding my contract, I then visited the store to rectify this and the consultant that was assisted me only offered me a complete different package even the manager could not assist, now I m stucked with a package I did not what, which is not my fault I have waited and followed this up for about 2 months now,, I'm disappointed as a first time experience with cell c.