You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Young.

ASSISTANT:  May I know, How can I be of your service?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please wait, Let me search you the flight.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for approaching us.