Hello.
user
Hello, how may I aid you today?
assistant
I am Richard Barker. Please search a flight ticket from DFW and I need my flight ticket in evening time. Can you please help me out?
user
Sure, please share me your trip dates.
assistant
My trip dates are July 20 and July 22.
user
May I know your class preference?
assistant
I am comfortable with any class.
user
Please share me your departure airport code.
assistant
My depart airport code is DFW and and my destination airport code is IAD.
user
Do you need connecting flight or direct flight?
assistant
I need connecting flight in between my journey.
user
Please wait for a while.
assistant
Ok, sure take your own time.
user
We found a  AA airline and 1026 is flight number with a fare of 100. Shall I proceed?
assistant
Ok, please proceed with booking.
user
Your ticket is confirmed with an economy class.
assistant
Thank you for your help.
user
Thank you for reaching us.
assistant