Hello.
user
Hello. How can I  help you?
assistant
Could you help me in booking a flight ticket from IAD to JFK?
user
Your travelling dates pleas?
assistant
My departure day is Mar 07, return day is Mar 09.
user
Do you have any specifications?
assistant
I want a economy class flight ticket. And I want a flight with one connection.
user
May I know your name please?
assistant
My name is Emma Moore.
user
I am sorry no flights found on your route.
assistant
Not an issue, thank you.
user
Thank you for choosing us.
assistant