Hi. I am Brenda Harris.
user
Hello, how can I assist you?
assistant
 I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you help in finding a flight from BOS?
user
Sure, may I know your planned dates of travel?
assistant
My travelling dates are 06/21 to 06/23.
user
Is there a connection you need within your journey?
assistant
I want direct flight.
user
Please wait a minute.
assistant
Sure.
user
Thank you for your time. There are no flights found according to your details.
assistant
That's ok. Thank you for your help.
user
Thank you for availing us.
assistant