You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Owing to an emergency, I want to cancel my reservation. Can you check whether there is any refund policy on my reserved ticket?

ASSISTANT: Sure, I will help you. May I know your name please to check your reservation status?

USER: Sure, my name is Christine Baker.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Baker, no reservation has been found on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.