Hello.
user
Hello. How may I assist you today?
assistant
I am planning to visit Dallas DFW from Chicago ORD. Can you find a flight ticket for me?
user
Sure, may I know your travelling dates?
assistant
OK, my itinerary dates are on Sept 03 and return on Sept 05.
user
 Do you have any connection limit?
assistant
Yes, I need a single connecting flight to travel.
user
Do you have any other specifications?
assistant
Ok, I need an economy class.
user
 On which name shall I reserve the flight ticket?
assistant
Ok, my name is Eric Wright.
user
Sorry, there are no flights found on given dates.
assistant
That's fine, no problem.
user
Thank you for reaching us.
assistant
Thank you for your help.
user