You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Samuel King. My family tour trip got postponed, so I want to cancel my reservation.

ASSISTANT: Sure, please give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name and it has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for visiting us. Have a nice day.