Poor Service

I went to the store atl on 9th March to buy clothes, the lady ( Taelo) processed the transaction for R569.94 and asked me to insert my bank card in in the pos device and enter my pin which I did then apparently the transaction disappeared and then she called her supervisor Miemie to come and help . Miemie called the Mr Price call centre and played around on the machine but couldn't find the transaction then she said Taelo must process the transactions again then we swiped my card again meaning my account was debited twice at different times: 14:25 and at 14:38.When I got home I found that my bank account was debited twice for that amount then the following day i went to the store asking them to reverse it then a lady by the name of Nwabisa asked that I bring my bank statement then I went to my bank and because the transactions are pending my bank couldn't reverse them and I went back to the store. Returning to the store I found Miemie who took down my card and contact details and said that there is a lady at head office who must send a request for a reversal to ABSA and she will get back to me on the 10th March and I still havent heard from them & their not answering the phone