You are a flight assistant. 
 USER: Hello, I am Kathleen Allen.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Owing an emergency I want to cancel my reservation, would you mind helping me?

ASSISTANT: Sure, wait for a while.

USER: Sure.

ASSISTANT: Thanks for giving your valuable time, but there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you so much for communicating with us, have a great day.

USER: Thank you for the information.