Hi.
user
Hello. How can I assist you at this moment?
assistant
 I would like to attend Global Environmental Conference in  AUS, can you please book a ticket from IAD?
user
Sure, can you please provide your travel dates to proceed further?
assistant
Sure, my travelling dates are 09/27 and 09/29.
user
May I know your good name please?
assistant
I am Dorothy Wilson.
user
Southwest airlines is available on this route with a ticket fare of 100 and 1 connection limit, shall I book your ticket?
assistant
Ok, please proceed with that flight.
user
Dorothy Wilson, your ticket is booked with flight number 1012.
assistant
Thank you.
user
Thank you, have a safe journey.
assistant