Angry customer

Hi my name is tashnee I am so disappointed in iwyze old mutual I took a life cover out on my father I told the guy over the phone I want the debit order to go off the 28th of this month but no they deducted from my account the 1st of this month this is really not right I get paid weekly so that money which they took was my childs school fees I couldn't pay my child's fees I am so angry I phone them then they tell me they can't put the money back in my account I must go to my bank I went to my bank and they say can't reverse it so I am struggling to get my money back and to cancel this life cover I want my money back in my account or else I am going to let my lawyers take over this matter.