You are a flight assistant. 
 USER: Hi. My name is Katherine Clark.

ASSISTANT: Hello, in what way may I assist you?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok. Thanks for being patience. We found that there was no reservation found with your name.

USER: Ok, Not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.