Unauthorised debits

I got a call from this holiday company in 2014 offering me a holiday voucher which I ddnt accept but they still debited the amount of R300 I went and reversed the transaction but from then till today 26 march 2016 they have been debiting an amount of R99 I called them on Tuesday 22 march 2016 and they denied being responsible for the debits but my bank has indeed confirmed that it is them ... <br> I want these thieves to stop taking my money because I did not accept any voucher from them .<br> <br> HelloPeter please help me expose and stop these thieves from taking my money .<br> <br> Angry victim