You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Linda Lee. Can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, I could not find any reservation with your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: My pleasure.