You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: As I am having urgent work in office I want to cancel my reservation. Can you please help me in cancelling?

ASSISTANT: Ok, may I know your name, please?

USER: I am Paul Wilson.

ASSISTANT: Give me a moment. There is no reservation found against you.

USER: Ok, Thanks for the information.

ASSISTANT: Thank you for approaching our agency.