You are a flight assistant. 
 USER: Hello, I am Jeffrey Parker.

ASSISTANT: Hello, how may I assist you?

USER: I just want to cancel my recent reservation.

ASSISTANT: Ok.

USER: Can you help me for cancellation?

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you so much for choosing us.