You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Christine Brown. Owing to an emergency, I want to cancel my reservation.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Thanks for waiting. Sorry to inform you that no reservation was found on your name.

USER: Not an issue. Thank you.

ASSISTANT:  Thank you for availing us.