Hello.
user
Hello, How exactly I can serve you the best today?
assistant
I would like to travel from DTW to DCA as a holiday trip.
user
Sure, may I know your good name?
assistant
Alexander Brown here.
user
On which dates would you like me to book a flight ticket for you?
assistant
My trip dates are 01/28 and 01/30.
user
Do you have any specifications?
assistant
I am comfortable with business class.
user
Sorry, no flights are available on your route as per your given requirements.
assistant
No problem, thanks for the information.
user
Thank you for opting us.
assistant