You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist 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, may I know your good name please?

USER: Sure, my name is Gregory Davis.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: That's ok, thank you.

ASSISTANT: You are welcome.