You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Owning to emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Linda Brown.

ASSISTANT: Linda, sorry to keep you waiting and I regret to inform you that there is no flight reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us.

USER: Thank you for your information.