bad service

In August my payday had changed from the 15th to the last day of the month so I went & made arrangements with my medical aid to say they must deduct the money every month end & I was assured that all will be well to my surprise the money was never deducted & I was told to pay directly in the bank & I did but then In September I was debited twice for the month of August & September Ive sent millions of emails and non of them have been rep****