Hello.
user
Hello, how can I help you today?
assistant
Can you please book a flight ticket from IAD to DCA?
user
Sure, kindly share your travel dates.
assistant
My travelling dates are 07/11 and 07/13.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
Is there any other specifications?
assistant
I want a ticket in business class.
user
Please share your name.
assistant
    My name is Jack Miller.
user
Sorry to say, no flights found with your requirement.
assistant
That's ok, thank you for the response.
user
Thanks for reaching us.
assistant