Terrible customer care response.

I have sent multiple emails to [Email Removed] multiple times. i had response a week later from the first email. I had requested for my contract to be cancelled and migrated to prepaid. Apparently the contract was cancelled but not migrated and so i received another bill from MTN. <br> <br> After that i have sent a few more email and have had no response to get my contract on prepaid. I have tried calling 808 number but you just get put on hold for about an hour. <br> <br> ***<br> <br> Please can you assist. <br> <br> this lack of response has left me very frustrated.