You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Owing to an emergency, I just want to cancel it. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: My name is Nancy Robinson.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: Ok, thank you.

ASSISTANT: Thank you.