You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you help to cancel my reservation?

ASSISTANT: Sure, may I know your name for checking your reservation status?

USER: Myself Anthony Lee.

ASSISTANT: Lee, I have not found any reservation by your name is our database.

USER: It's ok. Thank you for searching.

ASSISTANT: Thank you for contacting us and have a nice day.

USER: Thanks.