A Cellphone contract sold on lies

I took up a Cellphone contract with FNB last year and the agent that called me and sold me the contract said it would be R100 a month of with it was more than that, so he ****... <br> i have been calling FNB since last year (2014) around Nov triying to query it till this day, last i called i spoke to a team leader of which he said they listened to the calls and they acknowledge their agent **** so they will cancel the contract and Vodacom is still taking money in my account. im fed up of the lies i want the money they have been deducting in my account back and i want the contract cancelled. FNB is a great bank but with **** service of late...<br> I've been nice and understanding for too long. I need this sorted ASAP