You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Owing to an emergency, I need to cancel my reservation, can you please help me with that?

ASSISTANT: May I know your name?

USER: My name is Steven Lewis.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you.

USER: Thank you.