You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: Myself  Samantha Lee.

ASSISTANT: Yes Samantha, how can I help you?

USER: I would like to cancel my recent reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: Ok,Thank you for your services.

ASSISTANT: Thank you and have a nice day.