You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Owing to an emergency work, I need to cancel my reservation. Can you please help me out?

ASSISTANT: Sure. May I know your name to proceed?

USER: I am Katherine Roberts.

ASSISTANT: Thanks for providing your name. Sorry, there is no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.