You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Janet Jones here.

ASSISTANT: How may I help you at this moment?

USER: Could you book my ticket from SEA to ATL?

ASSISTANT: Sure, I am here to help you in booking a flight ticket. May I know your itinerary dates?

USER: My trip dates are Sept 20 and Sept 22.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, there are no flight available based on your travelling dates.

USER: No problem, thank you.

ASSISTANT: Thank you for approaching us.