account query

I am so annoyed with Vodacom, I pay my account on time. Last month I upgraded my package for work reasons to increase my minutes and data. I was told it's effective as of 1April, when I checked my airtime on 1april, nothing reflected,I immediately called the call centre. I was told I would get a call the next day and the matter would be sorted. I was sent an sms,they are investigating my query. It is 4 days later, I need my airtime for wrk purpose, I spent R250 thus far on airtime and still no feedback. I am beyond Furious. The call centre can't seem to help me either.