You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: Can you help me in booking from DCA to AUS?

ASSISTANT: Sure, I am oblige to help you with that. Can you please provide your travelling dates?

USER: My travelling dates are from June 9 to June 11.

ASSISTANT: Do you need any stop over?

USER: I need a connecting flight.

ASSISTANT: May I know your name to book the flight ticket?

USER: My name is Dorothy Young.

ASSISTANT: Any other preferences do you have?

USER: I prefer economy class to travel.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: I have found a flight with single connection between your journey having with the fare of 100 provided by Delta airlines in economy class. Are you ok with this flight?

USER: Ok, please book it.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for approaching us, hope you have a great journey.