Airtime

I've called in Monday for assistance where I MTN is not allowing me to make calls as where I do have R300 airtime left in my account, the person who assisted me said she logged it ticket ,*** and that it will take 24 to 48 hours ,I should check my sms for ref number than I must call I again, now I never receipts ref number, I called in again yesterday someone assisted with refreshing the sim and said I must switch the phone off for 15 minutes and put it back on then it will work which it still did not, today I phoned in again twice the first lady dropped the call after I told her what my problem is and that I'm not happy, the second was a mail said to me he's supervisor will contact me and that he forwarded a mail to he's supervisor, People I cannot wait a full week to for you to get me connected I want this done today still