SIM swap not activated 6 days after my upgrade

I have recently upgraded my contract at the MTN store (Westgate shopping centre, in Roodepoort). This was on Tuesday, 08 December 2015. I was told that the SIM swap from my old Micro SIM into the new Nano SIM would take 2-24 hours. 24 hours later, I received an SMS saying I have cancelled the SIM Swap of which I never did. I am disgusted to say that it has 6 Days and counting and still my new SIM cards have not yet been activated, I don't even want to mention the number of times I've called that 808, 1555 and all other fancy numbers that I was given to obtain further assistance and every time a consultant had a different story to tell me. I went back to the store to complain on Thursday, 10 December 2015. But the consultants were not willing to assist. They told me that they didn't know what to do and that I should call 1555 for further assistance. Unfortunately for me, the SIM Swaps are still not activated even on this day (14 December 2015). Please tell me if this is fair to be sitting with (2) brand new phones which I cant use but come the end of the month MTN will gladly be expecting money from me. I am totally disgusted by this saga.