You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Kathleen Walker, I want to cancel my recent reservation due to cancel of my interview.

ASSISTANT: Ok, wait a minute.I'll let you know.

USER: Ok.

ASSISTANT: Sorry no reservation found on your name. Thank you for reaching us.

USER: No problem, thanks for your information.