Bad service checkers glen marais kempton park

Hi am always buy at checkers in glenmarais kempton park,today I went to buy some food,the lady give me attitude and is not first time,some time we buy old food,please sell us healthy food and talk to your staff to give us good service. Am working in a center but you don't give us good service. Pick n pay they sell nice food n people there a always friendly. The lady name precious she working at the food counter,she's not special, she must help customers nice.