Hello.
user
Hello, how may I aid you today?
assistant
I am looking to book a flight ticket to meet my friend in Detroit. Can you help me for booking a flight ticket from IAD to DTW?
user
Sure, please share me your trip dates.
assistant
My travelling dates are Jan 18 and Jan 20.
user
Do you need direct flight or connecting flight?
assistant
I need a single connecting flight.
user
For booking, we need your good name. Please mention it.
assistant
My name is Jennifer Robinson.
user
Do you have any particular time for departing and returning?
assistant
No.
user
May I know your airline preferences?
assistant
I have no airline preference. I prefer to book a economy class.
user
Please wait for a while.
assistant
Sure, I will wait for your response.
user
 Sorry to say that, there are no flights available on the routes of your journey.
assistant
That's ok, thank you for checking.
user
Thank you for communicating with us.
assistant
Welcome.
user