You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am James Lee.

ASSISTANT: James Lee. How can I help you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, its my job. Can you give me a moment?

USER: Sure.

ASSISTANT: Sorry to inform that, there is no name by James Lee.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us.