Contract Cancellation overdue

My contact with MTN ended in Nov 2015, And they are still debiting my account....I went to West Gate Mall and told me that the contract doesnot get automatically cancelled which was very shocking because \contract term agreement\" has ended...it just doesnot make any sense.....any way......i called the call centre last week and received this email: <br> <br> --Original Message--<br> From: [Email Removed]<br> Date: 2/8/2016 8:49:34 AM<br> To: [Email Removed]<br> Subject: prepaid migration<br> <br> Good day<br> <br> Please assist as sub would like to migrate the number to prepaid, sub is advised of the airtime and data loss.<br> <br> A*** A***<br> ******0<br> 2016-01-20 2016-01-13<br> o Reason for escalation (Prepaid migration, Cancellation, ETFees ) Prepaid migration<br> o Eppix Reference number (if previously escalated to Retentions) <br> <br> <br> <br> ...yesterday they credited my account, cellphone.....and really, i have requested cancellation AND you sent me an email comfirmation so what now?????<br> <br> I WILL NOT ACCEPT OUR DEBIT ORDER IN MY ACCOUNT."