Bad customer service from spar Kenilworth jhb.

Spar Kenilworth jhb is a nice place to shop ,just had a bad experience with one of the cashier, she just had a lot of attitude, and gave me my money and told me to go.how unprofessional, she brings down the name of Spar.i told the manager but he didn't even seem to care. What happen to good customer service in South Africa.