You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Anderson.

ASSISTANT: How can I assist you at this moment?

USER: Could you help me to cancel my recent reservation because of some personal work?

ASSISTANT: Sure Anthony Anderson, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Anthony Anderson, no reservation has found under your name to cancel.

USER: That's fine, thanks for your information anyways.

ASSISTANT: Thank you for choosing us, have a good day.