Wandile Ntombela bad agent

hi there I had contract with mtn. my id no ***. my account was n legal for 193.00 I made a payment of 194.00. i found out my account wasnt cleared. Wandile Ntombela mtn agent asked me to email him proof of payment, he confirmed he received it then he started to ignore my emails when i asked him if my account has been cleared. i used my cellphone ********** as a reference on deposit slip because one f agent i spoke to asked me to use cellno. one day i called mtn they couldnt pick up my account with my id no nd cell number..was referred to mtn shop. same problem at mtn bt at end they confirmed they didnt receive 194.00. i m now worried. what if im being blacklisted nd it wasnt my fault. why are mtn agents not helpful n the phone[ wandile ntombela] pls help me wiht clearing my account. i no longer use mtn number. my contact details ********** and i dont think i ll ever be mtn customer again n future