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, may I know your good name please?

USER: Jonathan Moore here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.