Vodacom contract cancelled without me knowing

On 24/11 we called ********** 4 from 7:55 am was closed ,we got thru at 8:01... I did an application at the store ,the stored approved it bt had limited stock.while I was on the call with Ashley he said it was approved and I had to cancel at the store in order for him to process so while I'm on the phone with him I cancelled the contract at the umhlanga branch,then Ashley processed it and said approved He said I will get a call in 2 hours, no one called.On 25 /11 I got a call saying it was approved...verified details , 10 minutes later they called to say no stock they Will get a consultant to call me This is unacceptable, I want the contract I app**** for p9 and p 10 lite for r249 as advertised cos I was the first or 2nd caller on 24/11 8:am 30 seconds .On the 27/11 when I phoned to complain,1st consultant I queried with a black lady said she will consult her team leader left me on hold for 50 minutes never came back ,the call was re routed to the consultant Janelle ,says I cancelled contract which I app**** on line which I had not done, so who cancelled , or is it a way of getting of of the promise of the promotion that was advertised on black Friday..to date no one has call me.... I govender ********** 173 cell ********** 035 work