You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent reservation.

ASSISTANT: Sure, May I know your name please?

USER: My name is Samantha Garcia.

ASSISTANT: Please standby, Let me check the existing reservation on your name.

USER: OK.

ASSISTANT: Thank you for waiting, Sorry there is no reservation found with your name.

USER: Thank you.

ASSISTANT: Thank you for choosing us, Have a good day.