You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel NY - JFK for hanging out with friends on 12/06.

ASSISTANT: Sure, can I know the details of flight?

USER: My origin is MA - BOS, I like to return back on 12/08.

ASSISTANT: can I know your name?

USER: I am Eric Taylor.

ASSISTANT: I'm sorry Eric, there are no flights matching with your dates.

USER: Ok, that's fine. Thank you for the information.

ASSISTANT: Thank you, have a good day.