You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, we are here to help you with cancellation. Let me know your name.

USER: My name is Paul Lee.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for approaching us.