Hello.
user
Hello, how can I provide assistance to you?
assistant
I am Brenda Brown. I want to visit White House at Washington, Can you please book a ticket to DCA?
user
Sure, kindly mention your travel dates?
assistant
My depart is on 09/28 and return is on 09/30.
user
Can you please provide me your source airport code?
assistant
Source code is Chicago, ORD.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry to say, no flights found with your requirement.
assistant
No problem.
user
Thanks for reaching us, have a good day.
assistant
Thank you.
user