FNB incomplete service no response I gave calling

I query about my charges with one of the FNB Stuff for my Premiere cheque account were by the lady by the name of Lidia my complain was then approved by the reversal Department on Friday the 24th of November 2017 and she was instructed to give me a call but she never did I have 3 different references but I'm gonna start with here reference number the references are as follows 1.R S171P **********

The Amount that was approved was.R1379 from the total Amount of R2789 of which is 50% of the initial amount but emails have been sent to here but she never responded to any of those emails I also spoke to Morris and Charlton but no response and no one call till today so please if anyone out there whose responsible enough to give me a call it's been more than 7 day's nothing has happened even tomorrow I'm still gonna Contac here my rent was due today but here rent is paid I'm accumulating interested that I was charged by my bank your response will be highly appreciated