You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER:  I would like to attend Global Environmental Conference in  AUS, can you please book a ticket from IAD?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Sure, my travelling dates are 09/27 and 09/29.

ASSISTANT: May I know your good name please?

USER: I am Dorothy Wilson.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 100 and 1 connection limit, shall I book your ticket?

USER: Ok, please proceed with that flight.

ASSISTANT: Dorothy Wilson, your ticket is booked with flight number 1012.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.