Hello, I am Jason Edwards.
user
Hello, how may I assist you today?
assistant
I want to visit white house at Washington with my friends, can you please help me to book a ticket?
user
Sure, can you please provide your airport codes?
assistant
Sure, my preferable airport codes are from IAD to DCA.
user
May I know your price limit?
assistant
My preferable price limit is up to 500.
user
Do you have any preference connections?
assistant
I can prefer one stop over flight.
user
Please specify your planned dates?
assistant
My planned dates are from 08/09 to 08/11.
user
Ok, please hold a minute, let me search a flight for you.
assistant
Ok.
user
Thanks for your valuable time, sorry, unfortunately no flights available matching your criterion.
assistant
Ok, no problem. Thanks for your help.
user
Thanks for picking us, have a pleasant day.
assistant