You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Linda White here.

ASSISTANT: Welcome to flight booking agency Linda.

USER: I was made a reservation to Chicago for attending a business meeting earlier in this week.But suddenly the meeting got cancelled. Can you please help me for cancelling my reservation?

ASSISTANT: Sure, I will help you on that. Please wait a moment to check your previous reservation status.

USER: Ok, take your time.

ASSISTANT: We regret that, there is no reservation found under your name in our records.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.