heartless service

I do believe I have been one of the loyal customers for Vodacom from the years I have spent with them but they can only appreciate that with the recent heartless service they are offering me. you call their call center they take you to their processes as if they are assisting you but at the later stage when you call to make a follow up you need to start the whole process all over again, they debit my account without my any agreement on the dates we never agreed on then you are told to wait for a number of days for a refund. all the above is as a result of deal or a new line that I cancelled on the second day of receive which was the 20th December 2017 as it was not what I ordered but it is still active even today and am still to be debited again on the 15th of this month for the line I never used. am so ****ed off by this terrible customer service am getting from the cellphone company of my choice, call center and online services have turned to be so poor I don't know why. All I need from Vodacom is to cancel the line I never used and refund my money to my bank account.