SARS CALL CENTRE IN NOT DOING THEIR JOB

I spoke to a no helpful agent Zen Shezi, I asked for her manager she said she is on a call and I asked for her managers manager and she said she is not in as well, after that my call was blocked. This is our monies that we want we don't want to fight with anyone. No one ever bothered to give me a call or do a follow up.