You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Owing an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure. May I know your name please?

USER: My name is James Martinez.

ASSISTANT: Please wait.

USER: Ok, I will wait.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you.