Capitec poor service

I am so dissapointed in Capitec I called for assistence as money was deducted from my account twice for an online food order. I informed the agent I could provide proof as the company was not getting back to me despite my queries logged, however I was told the company would have to give me proof after I explained they are not responding. I lost almost 700 and capitec I was considering banking but I am strongly considering closing My accounts