Hello.
user
Hello. How may I help you?
assistant
Please help me to book a flight ticket from EWR to DFW.
user
May I know your name please?
assistant
I am Donald Collins.
user
On which dates you are planning to travel?
assistant
My travelling dates are from Nov, 20 to Nov, 22.
user
Do you have any other requirements?
assistant
I need a direct flight and I need an economy class to fly.
user
Sorry Donald, there is no direct flight available.
assistant
Thanks for your information.
user
Most welcome.
assistant