You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have a board meeting in Aus, So I would like to book a ticket from IAD.

ASSISTANT: May I know your itinerary dates please?

USER: My travel dates are as follows Mar 19 and Mar 21.

ASSISTANT: Can you please share your destination location?

USER: Destination Location is AUS.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would like to board a single connection flight.

ASSISTANT: Is there any class preferences?

USER: Instead of business class, I would prefer economy class.

ASSISTANT: Can you please share your airline preferences?

USER: My airline preference would be normal cost.

ASSISTANT: Do you have any specifications?

USER: No, I have none.

ASSISTANT: May I know your name?

USER: Sure, this is Elizabeth Harris.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in UA airlines and price is 200. Shall I book?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1025.

USER: Thank you for the help and time.

ASSISTANT: Thank you for reaching us.