You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to book the flight ticket from DCA to ORD. Can you please help me?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Dates are Apr 04 and Apr 06.

ASSISTANT: Do you need any layover in between  journey?

USER: Yes.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name for the documentation process?

USER: Jacob Baker.

ASSISTANT: Here, I found a flight for you with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Book it.

ASSISTANT: Your booking is confirmed and the flight number is 1003 in Hawaiian airlines.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching us.