Hello.
Hello, what services are you seeking from us?
Can you please help me to book a flight from IAD to ORD?
Sure, please share me your trip dates.
My travel dates are Mar 28 to 30.
Do you need direct flight or connecting flight?
I prefer a connecting flight.
For booking, we need your good name. Please mention it.
I am Anthony Garcia.
 Would you let us know if you have any other preferences?
My depart time should be evening.
Sorry to say that, there are no flights available on the routes of your journey.
No problem, thank you for the information.
Thank you for availing us.