You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How should I assist you?

USER: I am Paul Brown.

ASSISTANT: Ok.

USER: My board meeting has been postponed so, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Reservation not found by name Paul Brown.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks.