Poor service and cant solve any problems!

I have a contract by vodacom of R250 airtime and 2Gig data but since i upgraded i dont receive my 2gigs of data and we called them to sort it out, but the lady we spoke to treated us very badly, as we told her when we upgraded online and spoke to they person on the phone that they recorded all called to listen to the call as we told them we want the 2gig aswell, she blamed us for not adding the 2 gig and told us that they can't listen to the recordings. Its 4 months later and still not sorted out. The customer service is very POOR and cant solve any problems! Its pathetic!