MTN NOT RESPONDING TO QUERIES

Good day, on the 23rd July 2019 I upgraded my MTN contract to the special (40gig @ R199) that was currently running. I was assisted by a Thandeka Ndlovu with the upgrade and she informed me that I had 10 working days (i.e. excluding Sundays) to change my contract should there be a better deal on offer. On the 2nd August 2019 I saw a promotion of 80gig @ R299 from MTN. I called in to take up this offer since the 10 days were not up yet, I was put through to retentions were I spoke with Tshego (Female) and she said that the 10 days were over and that MTN counts Sundays as well. Of course I was not in agreement with this because I was told a different story to this, so she put me through to MTN Direct were I spoke with Akashi (don’t really remember the lady’s name) and she told me that she noted my concerns and that she would escalate the matter to Thandeka who would call me back. I called in on the 5th August 2019 and I was told that the matter would be escalated to Thandeka and she will call me back. Today is the 8th August 2019 and I still haven’t received a call from MTN or Thandeka Ndlovu and I still don’t know what is going on regarding the request that I made earlier.