Ordered fish and chips juice milkshake and salad waiter served us forgets to give salad brings Bill charged us for salad R80

Ordered fish and chips juice milkshake and salad waiter served us forgets to give salad brings Bill charged us for salad R80 .We asked him about salad says forgot .Other waiter comes with cellphone deducts R80 from Bill says waiter forget .Then takes her time to bring change as we paid Cash.Very dissatisfied with OCEAN BASKET .NOT FAIR REALLY PEOPLE SHOULD CHECK BILL BEFORE PAYING