Bad customer service

I logged a double debit dispute with the customer service team and I was told the branch manager will get in contact with me about the dispute I was even given the branch manager in Cape Town branch number and he just does not answer and no one gets back to me they are quick to take money they not supposed to but when I comes to customer service they do not care about the clients the last time I am using them and I do hope I will get my money back they deducted double without my consent.