Hello.
user
Hello, how may I be there for you?
assistant
Can you please make a reservation with direct flight to attend  a meeting in Washington?
user
Sure, when are you planning to make your trip?
assistant
My journey dates are on May 25th and 27th.
user
Will you please provide me your airport codes?
assistant
My airport codes are, DFW to DCA.
user
Do you need an economy class or business class?
assistant
I am ok with any class.
user
May I know your name?
assistant
Sure, I am Dennis Baker.
user
Thanks for providing your credentials Dennis Baker, we regret to inform that there are no flights going on your way at this moment.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant