CLICKS medicross Tokai will not refund my money

I bought medication from Clicks Pharmacy Tokai Medicross. I tapped for the first time and it was declined then second and third time for an amount of R449 in each payment. The person who was helping me Peter informed me it didn't go through so I walk over to the mall with a sick child withdrew money and paid. I checked my bank account and saw Clicks had reserved the money 3 times. Told the person helping that money was reserved threes already and was assured it will be reversed and Clicks will not bank it. After a few days I realized Clicks banked the multiple transactions. Spoke to Nadira who is the manager and she was not helpful at all. Emails sent with my bank statement twice to show the transaction and 3 weeks later still no response and no feedback. My money has not been refunded back. The worst customer service from this Clicks. All I want is my refund back. They used a faulty payment point (cause apparently it happens all the time) and now I am the one to pay.