Incorrect information Proveded

I called the call centre on the 29/04/15 to cancel my contract and was told that I need to serve a 30dys Notice- to switch to prepaid, I did that then on the 28/05/15 I got a confirmation SMS that it's been switched, I had free minutes and smses but to my surprise on the 29/05/15 when I tried to made an emergency call was informed that I had no minutes available then tried an SMS, was surprised that it would not go through as well so checked my balance only to find that I have absolutely nothing, called in the evening spoke to a lady by Sbonga Shozi explained my situation to her and was told that she will log a case for me even gave me a *** and informed me that it would take two days, I then called in for follow up and was told that the ref does not reflect anything on it- spoke to Denver Naidoo and said I need to talk to cancellation department so I'm still going to wait longer for my problem to be sorted out. I want the free minutes and smses that I had as I had initially paid for. To top it all its not the first time I've been given inadequate information and I let it slide but this time I am gatvol...... I Payed for those minutes and smses and I Want them back.