Upgrade of phone

<p>In August I upgraded my contract in which I got an iPhone butI have never recieved aitrtime since then. On the 1st of December I spent two hours on the phone and eventually getting to someone who said that it has been resolved and I must wait 72hours for this to be implemented. I asked for a reference number for the call and no one would give me one. On the 6th of Decemebr I phoned back because no airtime have been loaded and now I get told that there is no evidence of my call on the first and I must wait another 7 working days before they can resolve my issue. really!!!</p>