Failed to help me Reverse my money back

Today i went to FNB regarding a reversal firstly i stayed on the phone for 1hour 30minutes trying to sort it out telephonically then went to the other branch to query told them im from the other store tried to purchase my card declined but the money was out So i wanted to know cause it is pending can’t they reverse it they told me I should go to that store and get a slip dont know slip for what cause even the declined slip they didn’t give me i told them they insisted i go then i went to that store told them then that store told me i should go back to FNB they should check on their system then apparently i must come back Tuesday after so much run arounds i still have to wait dont know the fuss of reversing the money back to my account im so out of FNB their processes are ridiculous