poor service

Good day <br> my name is Amogelang Kujane. i have upgrated my phone on january at pretoria branch(standard bank area). I usually use anytime because i am using it for my work related matter. the person who assisted me did nt asked me of my option she choose to select top up mychoice. i was suprised when i make a call and it says \your call is terminated you do not have sufficient airtime". i went there on monday to complain the lady who assisted me promised me that the phone will be open within 24 hours but it is still closed. please assist me regional manager because i made effort of going there and explaining my problem now i do not know where to from here.<br> <br> thanks"""