Very bad service

I have been calling MTN CANCELLATION dept from September 2022 and no one is willing to assist me. I spoke to a coloured guy by the name of Emmanuel and he dropped the call. Today I called again and spoke to a lady by the name of Amanda who tried to convince me to take a lower package instead of cancelling(it's part of her job) I advised her I'll look into new contracts next year as I'm currently unemployed and she threatened to take away my number(weird) and that I owe MTN R200 and couple so my account is suspended and she can't assist and transferred me to a lady in repairs after she said I need to speak to collections. What doesn't make sense is I paid up my account n MTN is loading my data n minutes every month without fail while my account is supposedly "suspended" the lady in repairs dropped and now I just spoke to an Indian guy (Amilio) and he dropped the phone after doing verification check.

I need to cancel this contract and you not going to charge or add anything but cancel. The service I received is very bad . Can a consultant call me back to cancel or I'll escalate it further than this