Hello.
user
Hello, how may I assist you?
assistant
Myself Dorothy Rodriguez. I would like to travel from IAD to AUS to attend my seminar, please help me for booking flight ticket.
user
Sure, when would you like to travel?
assistant
I would like to travel  from 07/06 to 07/08. Make sure that connection limit is 1 and price limit is 200.
user
Sorry Rodriguez, unfortunately there is no flight with your requested dates.
assistant
Ok, it's fine. Thank you for your services.
user
Thank you for choosing our service, have a good day.
assistant