Duplicate Transaction

Bought flops at Totalsport Kimberley Phakamile Mabija branch using my debit card to pay so they speed point machine gave an error. They said that they are unsure whether the transaction went thru or not they have to swipe card again. I logged in on my Capitec app. to show them that transaction went off its reflecting but for them it was not enough, they required a bank statement from me to show that the money really went of from my bank account and by that tym it was late to rush to the branch and get a statement. Since I needed those flops because it was for the child for Christmas and it was the Christmas Eve when all this happen and they said they cnt give me flops unless I provide them wth statement which impossible to get by then I allowed them to swipe card again. It ended being the transaction going off twice for the same stuff.. The manager gaurentee me as soon as I provide them wth bank statement my money will be refunded. It's been more then 3 weeks that I've submitted my statement wth them no refund they just quiet. Every time I go there to enquire what's the delay with the refund the excuse is that there is not enough staff where they suppose to verify if it was a duplicate transaction. The manager of that store said she send e mail to that department is still waiting..the last tym I went there she said will escalate matter to aerial manager I'm still waiting till this today no response. I'm livid I understand for them it might be a small amount but it's unacceptable for me to wait this long for my money to be refunded back consider that I've provided them wth the required documents that they requested from me. What ****es me more off ask for Head office number from the cashier name Virginia at they branch her response was she can't give me the number because I'm buying cash from them if I had an account wth them I could have got it on the card so she can't give me. So I cldnt understand what's the difference between a person thts buying on credit and me buying cash which I've shown them alot of support over the years it's that the thank you I get. So she made me think alot of things that people that has account has more rights than us that are buying cash. She was so confident in what she was saying giving me an attitude. I told her will lodge a complaint wth what I'm getting from her she was so arrogant said will give me her name all her details it dsnt move her. I'm very disappointed ddnt expect that treatment.