You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

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

ASSISTANT: Sure, I will help you with that.

USER: Myself James Evans.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us, have a nice day.