You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve to you today?

USER: I am Paul Green, I want to cancel my ticket has my plan to meet my friend is cancelled. Can you help me with that?

ASSISTANT: sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation with your name. Shall I proceed with cancellation?

USER: Sure.

ASSISTANT: Your cancellation is done.

USER: Thank you for cancel my reservation.

ASSISTANT: Thanks for reaching us, have a good day.