You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: My name is Anthony Martinez. I want to cancel my recent reservation as my vacation plan got postponed.

ASSISTANT: OK, Anthony Martinez, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we have found a reservation on your name. Shall I proceed to cancel the reservation?

USER: Yes please.

ASSISTANT: OK, your reservation has been cancelled. Thanks for choosing us.

USER: Thank you for the service.

ASSISTANT: Have a nice day.