Shocking service

Why does mtn even bother to say calls are recorded for quality purposes, every agent tells you a different story and a different lie. I called in yesterday morning to activate sim, lady said by end of day Monday 14 June it would be sorted out. I have now tried to call several times, the phones have been put down in my ear while I am busy with operators 3 times already. Trying to find out why sim is not activated. I cannot tell you how frustrated I am with MTN, I have been a customer for around 20 years and this is how they treat you. Quick to deduct your monthly payment but to get assistance is another story. Can someone who is capable of assisting me please call me urgently. My number is ***. The nunber is question if ***