You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please to check your reservation status?

USER: Mary Adams here.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Mary Adams, no reservation has been found on your name in our database.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.