You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, may I know your name?

USER: Larry Johnson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name and it has been successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for approaching us.