Hi.
user
Hello, how may I aid you now?
assistant
I am Rebecca Roberts. I am planning to visit Lincoln memorial at Washington, help me in booking my flight ticket  with one halt.
user
Sure, I will help you with booking a ticket. Please mention your price limit?
assistant
My price limit is 500.
user
May I know when you want me to book your flight ticket?
assistant
I would like to start on 03/09. My return date is on 03/11.
user
Please share your journey areas?
assistant
I would like to start from WA-SEA. My landing airport code is DC-IAD.
user
Sorry to inform you that there were no flights available on your source.
assistant
Its ok, thank you for your help.
user
Thank you for availing us.
assistant