Reverse my money asap

Hi there I have been a member of tyme bank since may 2020,I have never had any trouble before but on 16 Sept at 16:48 I did a transaction at retailer but I which my card declined but at the same went through for R300, I then phone 17 sept the next day to find out from the retailer if the money went through they said no, I in turn phoned the call centre number at 17:51pm,I told the lady what had happen that I need them to reverse my money of r300 she said to me it will take +-( 24-48hours)which I said it was fine.Today I phoned 9:31am at 22sept I was told that where is the slip said decline told the lady I don't not have but I have a slip that says (do not honour customer time out)she said I must send it through the email I received on 17 Sept Friday which i did send but now she INFORMED IT WILL TAKE 35 DAYZ TO BE SORTED I told her Friday what the other consultant said she ignored that but now I am at really Agitated,angry and I do not trust anyone at the call centre I know it's r300 it is a lot of money to me..can you please reverse the money back...ASAP