debiting my account 2 months after cancellation

I am very disgusted by the poor level of honesty by telkom. I cancelled my account in May and they are still debiting my account, this is theft. I have called a few times and the agent asured me that the debit order is cancelled and that someone would call me, but this was a pure lie. I want my money back and my account cancelled. I have reference numbers so don't try pass the buck. I will take this to the ombudsman should I get no satisfaction as I have full access to the services. I even got a cancellation sms and it means nothing because you'll still debit my account???