You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: May I know your good name please?

USER: Myself Jeffrey Lee.

ASSISTANT: Sorry Jeffrey Lee there is no reservation found on your name.

USER: No problem, thanks for checking.

ASSISTANT: Than you reaching us.