Worst service every

I came to debonairs food court in gateway and the cashier hlengiwe mhlungu was very rude I clear told her I want the creem chicken n bbq chicken the 29.90 pizza and she cash for it but charged me 71.90 for both when I asked to cancel the order she said she can't but it came 15 min later and she got a broken neck n she was very rude and I can't believe the service here in the food court...she need training