unhappy client

I tried to open a new account at vodacom online I have been approved already early yesterday morning and i did phone several times in connection of the contract and know one can help me even after i said i would like to cancel it because i will most defiantly get better service from the branches now all of a sudden i cant cancel even though i did not confirm any details as yet everything is still pending Please can someone that is competent enough to phone me please i am still waiting after the call center told me that they will phone me to finalize everything and that call i did already made just before 11h00 and also my second call for the day