Dispute with MTN

Received message:<br> Yellow! Your remaining internet bundle will expire<br> in 48 hrs. If you load another bundle, you can carry<br> over your unused data by 2 month.<br> My account number: A***, have R 475,06 Airtime and 17 SMS left.<br> I just want to arrange to cancel my account, went to the shop in Centurion,<br> the shop is CLOSED we are on strike.<br> We apologize for the delayed response and for any inconvenience incurred.<br> Kindly provide us with your MTN cellphone number so that we can be able to gain access to your account as the account number says customer not found on our system.<br> If you read under my mail you can see my cellphone number. You are able to deduct money from my bank account for this account. So tell me how you can not find it on your system?<br> I have a cancellation requested twice.<br> The latest cancellation request is : Ref 1308/3228<br> I hereby request you to cancel my account NOW!<br> MN keep taking debit from my account, and start intimedating me via SMS.. I went to the bank to refund the debits into my own account back<br> I have my Cellphone number ported to CelC. I dont have a one sided account at MTN!<br> Please help. Kind regards, Paul van Spronsen