You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you.

USER: Can you aid me in booking a flight ticket from SEA to JFK?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I would like to go on Jan 12th and return back on Jan 14th.

ASSISTANT: Do you need any stopover in between your journey?

USER: Make sure it is a single connecting flight.

ASSISTANT: Any other preferences?

USER: Make sure the return time is in the afternoon.

ASSISTANT: May I know your name?

USER: Myself Helen Harris.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.