Hi,.
user
Hello, How may I help you?
assistant
Please book a ticket from DC-IAD to TX-AUS with connection 1, price 500.
user
Can you share me your travel dates?
assistant
07/15 - 07/19.
user
Wait a moment, I will check and inform you. Thanks for waiting, No flights were found with your requirement.
assistant
I'm Margaret Jackson. Thanks.
user