FNB - bad service

I have phoned mutiple times to downgrade my account, the current account has no benefits for me. First of all it is a mission to get answers on how it will affect my credit card interest rates, etc, not just that im being transferred from one person to the other. the next thing i get an email my ticket has been resolved, this was a few months ago - but I do not have the energy to phone AGAIN with no positive outcome. Ive been banking with FNB probably for 10 years and this is the service i get...