Final answer:
The best way to respond to a customer's feedback is to thank the customer and ask if the feedback can be turned in on a comment card.
Step-by-step explanation:
The best way to respond to a customer's feedback is to thank the customer and ask if the feedback can be turned in on a comment card. This shows that you value their opinion and are willing to take their feedback into consideration. Paraphrasing what the customer said can also be helpful to ensure that their feedback was understood correctly. Sharing negative feedback with a manager is important for addressing any issues that may require further attention.