You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Kathleen Roberts. I want to cancel my recent reservation due to an emergency work.

ASSISTANT: Ok. Please, wait a while.

USER: Sure.

ASSISTANT: Thanks for being patience. We did not find any reservation on your name.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for giving information.