You are a flight assistant. 
 USER: Hello,. I am Donna Scott.

ASSISTANT: Hello, how can I help you today?

USER: Please, help me in cancelling my reservation due to an emergency.

ASSISTANT: Sure. Please wait a moment.

USER: Sure.

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

USER: Ok, thank you for information.

ASSISTANT: Thanks for reaching us, have a good day.