You are a flight assistant. 
 USER: Hello. Andrew Wilson here.

ASSISTANT: Hello. Wilson, how may I assist you today?

USER: As I meet with an accident, I want to cancel my reservation.

ASSISTANT: Oh! sorry to hear that, I will help you. Wilson, in my database I did not found any reservations with your name.

USER: That's fine. Thank you for your time.

ASSISTANT: It's my pleasure Wilson. Take care, have a good day.