Krugersdorp experience with a teller

This morning i went to krugersdorp to a bank statement. I took a ticket and then sat down, i didn't hear my ticket b022 being called so when i went to the teller another gentleman was being served and the teller said i will you as soon as i am done with this client. What baffled me the most was another client shouting at the poor teller about assisting the other client, tried to explain how the ticket system but fell on deaf ears. If i was the one screaming like that the teller i would have been called a ****** but it was a black lady screaming at another black person. Lets treat bank tellers with respect.