Insufficient service and misrepresntation

My contract expires in 2 days. On Saturday I went to the Cresta branch to buy out the remainder of by 4 days so that I can migrate my number to Vodacom sooner. A lady in the branch lady told me that my number has already been released by CellC and even wrote this down on a piece of paper which I handed to Vodacom. I have been informed today by Vodacom that this in fact was declined by Cell C when they tried to migrate my number. This is misrepresentation and was told by their call centre now that she was not in a position to tell me this. Well, she works for Cell C and did not offer me the penalty to migrate sooner, which is what I wanted. release my number ASAP as informed.