Double Debit

I sat at Nedbank for almost 15 minutes waiting for an agent to answer my call about returning a double debit they did on 24 March. The person I was speaking to must've dropped the phone as I had to speak to a different person who requested me to recite my whole entire CV! The person before had already done that, I don't know why I must waste my lunch for a stupid agent's negligence. Nedbank has inconvenienced me with this double debit! I have debit orders that have to go out! I want that money back. Call ***