Disappointed with Lack of Customer Service from FNB!

I am highly disappointed with the lack of customer service I have experience with Fnb from being transferred to 10 consultants who all cannot assist with a simple debit order enquiry. I was put on hold for so long until the consultants even went home as their operational hours end at 5pm. Was promised that my query would be escalated to management was given names of whom to expect a call from this was around 13h30 I'm still on hold at 17h09. Inbetween being transferred to different ages in different departments who all couldn't put me through to the right person to assist me. FNB YOU NEED TO DO BETTER WITH YOUR CUSTOMER SERVICE!! I have been banking with you over 12years but today I am even ready to end this Banking relationship!