You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you now?

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

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

USER: Sure, my travel dates are from Oct 28 to Oct 30.

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

USER: I would prefer connecting flight.

ASSISTANT: Let me know about your other specifications for your journey.

USER: No more specifications.

ASSISTANT: Can I know your good name to check your reservation status?

USER: Myself Nicole Lopez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: Ok, please reserve it.

ASSISTANT: Your ticket has been reserved with flight 1012.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.