Hello. My name is Justin Robinson.
user
Hello. How may I help you today?
assistant
I want to book a flight ticket from DFW to IAD. Please help me in booking a flight ticket.
user
When you are willing to depart and arrive?
assistant
My travelling dates are from 11/11 to 11/13.
user
Please provide your specifications.
assistant
I need a direct flight.
user
Unfortunately there are no flights are found with your given details.
assistant
Thanks for your information.
user
Thank you for opting us.
assistant