You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I'm Katherine King. I want to cancel my reservation due to heavy snowfall.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry no reservation found on your name Katherine King.

USER: It's ok. Thank you for helping me.

ASSISTANT: Thank you for contacting us.