Billed twice

On the 23rd of feb i bought 2 items for R969.95 in EdgarsClearwater and the slip couldnt print, funny the teller knew that ther till have problems but they still use it.a Manager was called named Khotso nad he said the transaction did not go through, i must pay again, yet i see on my app that it went through. They assured me that it will reverse in few hours i must just pay again.the following day i went back because my money was not reversed and funny the manger off A ladyi customer care told to bringa bank statement.i coudnt as i was afmitted in hospital. I phoned the following Saturday and i was told that a call must logged,which its going to take forever now i have to wait and yet its not my fault.the staff it s not properly trained and now i m out of budget because of some stupid till