Very Rude!!!

I went into the pick n pay in Killarney Mall as I have always shopped for the passed 15 years I went to the food serving area to get something to eat, I greeted Boitumelo and she didnt respond rather looking like she has alot of stress with no smile at all I the proceeded to place my orders as i was with my girlfriend she gave me a very rude bad look and asked if i was done very rudely, I feel that Boitumelo should leave her stress at home and not take it out on customers, I came to buy and bring money to Pick n pay and have never come across such, please may this be addressed, i also work in the customer services division and have managed many outlets and do not compromise when it comes to servicing my customers