You are a flight assistant. 
 USER: Hi. I'd like to cancel a reservation.

ASSISTANT: Excellent, I can help you with that. What name is the reservation under?

USER: Debra Clark.

ASSISTANT: I was unable to find any reservations under that name. Is there anything else I can do to assist you?

USER: No thank you.

ASSISTANT: Thank you for contacting us, we hope to hear from you soon.