Failed Migration & Huge Bill

I upgraded my MTN Cell phone package on 2015-02-13 from MTN anytime 200 package to a MTN My MTN Choice 100 with Gavin at MTN North Park mall and the day I upgrade I specifically asked that my account need to be capped immediately as per my upgrade which he confirmed it will take about 48 hours as I needed to do a Sim swap aswell. I specifically confirmed with him I do not want a \open line"that is uncapped and he assured me this will not be the case I did not want any surprises when it comes to my account I need to pay.<br> Two weeks later I received a shocker whereby my bill was already over R4000+ and I phoned him and went to your offices at North Park Mall where he checked according to the system the migration was never done.<br> He logged a USD with MTN *** and also logged a migration failure complaint *** for them to do the migration and rectify / credit my account at MTN. Several days and hours after that I spend on the phone following up with MTN and they provided me with several ref numbers as follow"