You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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 name?

USER: John Moore here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

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

ASSISTANT: Thanks for reaching us.