cashier throwing other customer hand in face

I was in shoprite in sontonga mall and they didnt put any sign and when we got there she said shes only taking cash , myself and the other lady ask her why she is only saying it now ,she then throw hand in her face .i found it rude even ask her fellow worker is that the way they treat customers .they call there manager and the way he handled the situation was not professional.The name of the cashier was Sibongile