Hello, I am Joseph Allen.
user
Hello. How can I aid you?
assistant
I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you help me with booking a connecting flight ticket?
user
Ok, help me with your travel dates?
assistant
My travelling dates are from 03/21 to 03/23.
user
May I know your journey points?
assistant
My source code is LAS.
user
Sorry, no connecting flights are working on your travel dates.
assistant
No problem, thank you for the information.
user
Thank you for availing us.
assistant