You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I need to cancel my recent reservation, can you help me?

ASSISTANT: Sure, May I know your name?

USER: Myself Benjamin Smith.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: That's ok, thank you or the information.

ASSISTANT: Thank you.