You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I am glad to help you with that. Can I know your name to check your previous reservation status?

USER: I am Nicholas Anderson.

ASSISTANT: Please be on hold to check.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Thanks.

ASSISTANT: Thank you for reaching us, have a great day.