got chased away

The lady who was the cashier at the kiosk today at 1:30pm.the lines were full so I went to the kiosk there was only 5 of us in a line,the other people wr bringing their cooldrinks and rolls and stuff to be rung up by here which she did.I only had 1 item a slice of cake and she chased me back to the shops long line but not the others.I ended up eating nothing 4 lunch I jst left the cake there and walked out of shoprite.its really bad a bad attitude why ddnt she chase the other ppl away if that was the case?rude!