Hello, myself Robert Nelson.
user
Hello, how may I help you?
assistant
I would like to visit famous monuments in Washington. Can you help me in booking a ticket from ORD to DCA?
user
Please provide me your journey dates.
assistant
My planned journey dates are 01/10 and 01/12.
user
Please wait for a minute.
assistant
Ok, make sure the flight has 1 connection.
user
There are no flights available with your preferences.
assistant
Ok, thank you for your information.
user
Thank you for choosing us, have a good day.
assistant