Hello.
user
Hello. How may I help you out?
assistant
Robert Miller here. I want to travel from ORD to IAD for attending a Seminar. Can you please help me for booking the flight ticket?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
My travelling dates are from 09/01 to 09/03.
user
Sorry, there are no flights found in our database.
assistant
Anyway, thanks for the information.
user
Thank you for choosing us.
assistant