Hi.
user
Hello, how may I assist you?
assistant
I am Carolyn Collins. Can you please assist me in booking my flight ticket from IAD to DEN?
user
Sure, may I know your planned travel dates please?
assistant
My travelling dates are Feb 28 and Mar 01.
user
Do you have any particular time for departing and returning?
assistant
I want my return ticket at evening time.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need connecting flight.
user
Sorry, there is no flight available in this route.
assistant
Ok, fine thank you for checking.
user
You are welcome.
assistant