You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Please help me out in booking the ticket from DEN to DCA.

ASSISTANT: Sure, can you share your journey dates?

USER: My trip dates will be Oct 12 to Oct 14.

ASSISTANT: Do you have any preferences?

USER: I need a connected flight.

ASSISTANT: May I know your name?

USER: Sarah Jones is my name.

ASSISTANT: There is a direct flight with number 1002 in airline JetBlue, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is booked, the depart time is 15:00 hours and return time is 3:00 hours.

USER: Thank you.

ASSISTANT: Thank you for choosing us.