If it is me, I will seriously apologize to that customer, because this kind of thing appears in the dining is a health problem. The responsibility lies with the restaurant, so that the customer will also should be able to understand. Then get a new copy of the food, give it to the customer, and if it's owned by your family, get a discount at checkout or something! And then to the cook meeting, so that employees recognize the importance of (short hair tactics can be considered), such as employees cut short hair to reimburse half of the haircut money, so that we are all safe and sound will not have too much entanglement, the formation of contradictions!