Cancellation of contract, but still debited

I called on the 9/3/2015 and spoke to John whom I said that I do not want to insure my car with them but my account was still debited this month, he said that he will cancel, I called again and spoke to Ashley he said that they will cancel, BUT MY ACCOUNT WAS STILL DEBITED, I called this morning and the gentleman said that I must go to the bank and do a reversal, why should I go to the bank, I cancelled in plenty of time, and he said that I will wait 10 days for my money, this is absolutely incompetence, why must the customer suffer? I want my money put back into my account today!!!!