Hello.
user
Hello. How may I aid you?
assistant
I want to visit Washington-DC, can you please help me to book my flight ticket from DFW to DCA?
user
May I know your trip dates?
assistant
I want to depart on Sept 21st and return back on Sept 23rd.
user
Do you prefer any specifications?
assistant
Yes, I need a flight having single connection.
user
May I know your name?
assistant
My name is Jessica Perez.
user
Sorry to inform you that unfortunately there is no flights available by the given details.
assistant
Not an issue. Thank you for the information.
user
That's ok, thank you.
assistant