Hi.
user
Hello, how can I aid you?
assistant
I have to visit Washington-DC, please help me to book my flight ticket from IAH to DCA.
user
Sure, please provide your trip dates.
assistant
Thank you. I want to depart on Dec 12th and return back on Dec 14th.
user
Do you need any connection limit?
assistant
I prefer for a flight having single connection.
user
Do you have any other requirements?
assistant
I need business class ticket.
user
May I know your name?
assistant
My name is Katherine Hill.
user
There are no flights available on your routes.
assistant
Not an issue. Thank you for the information.
user
Thank you for choosing us.
assistant