Hello.
user
Hello, How can I assist you?
assistant
Can you please help me to book a flight ticket from IAD to ORD?
user
Sure, May I know the travelling dates?
assistant
My travelling dates are Sept 16 to Sept 18.
user
Do you have any connection limit?
assistant
I need a single connection of flight.
user
Is there any other requirements?
assistant
I prefer economy class.
user
May I know your name?
assistant
Emma Smith here.
user
Sorry, No flights found with your preferable dates.
assistant
No problem, thanks for your information.
user
Thank you for opting us.
assistant