Reversal of money debited after lies

So today I go to my sms'es and see my balance left of my salary you guys debited a whole R700 from my account I want it reversed you said you had cancelled the contract when I spoke to the lady in March you never debited last month or the month before you guys **** to me and made a fool out of me after I had my phone grabbed from me by a skollie iu couldn't even listen to the call recording of the day I took out the contract it took you 22 days to get back to me cause I posted you on here I want my money back!!!!