Bad service

Hi

I complained to Absa few weeks ago, that my credit card was not swiping at tollgates, I went into branch, and they could not detect anything, then I called the centre, and they too could not detect anything. The branch told me to try again at tolls. I tried, and again I was embarrassed. I complained and a guy from Specialist Case Manager: Social Media Complaints named Marvellus Chauke called me and and assured me he will sort everything out. One of queries also was my limit was never increased even though I look after card, he assured he will escalate and even gave dates and times and never kept to his word. My card was delivered but he refuses to get back to me on my limits. I keep emailing and he has constantly ignored me up till now. Is this how Absa staff treat their clients?