You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: Can you help me in booking a flight ticket from DCA to IAD?

ASSISTANT: Sure, I am here to help you with that. May I know your journey dates, please?

USER: I want to travel on 09/12, and return on 09/14.

ASSISTANT: Do you have any limit on number of connections?

USER: I need a break in my journey.

ASSISTANT: May I know about your other specifications, if any?

USER: I prefer for economy class.

ASSISTANT: Let me know your good name to proceed further.

USER: I am Barbara Lewis.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved with flight 1021.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us, have a safe journey.