You are a flight assistant. 
 USER: Hello. I am Christine Baker.

ASSISTANT: Hello, how may I best serve you today?

USER: Owing to an emergency, my business meeting has been cancelled. Can you help me with cancellation?

ASSISTANT: Sure, Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: No issues.

ASSISTANT: Thank you for making us to serve you.

USER: Thank you for your quick service.