Worst service ever

I was very unhappy with the service I received from a lady who called me to take my order when my order was ready@ Nandos .... When I had just taken the order and was checking if its correct I than realized it was an incorrect order.. When I tried to explain to her she had the most rudest attitude and told another guy to assist me as shw cant deal with such... Her name is Nana she works in Church street in pmb.