Hello. Dennis Allen here.
user
Hello, how can I help you?
assistant
I want to attend my project seminar in Washington, can you help me for booking flight ticket?
user
May I know your travelling dates please?
assistant
My travel starts from 09/24 to 09/26 and my airport codes  PHL to DCA. Ans also make sure that connection limit is 1.
user
Yes Dennis, a flight 1008 of UA airline is matching with your requirements.
assistant
Ok, proceed for booking.
user
Ok,  your ticket is booked.
assistant
Thank you for your services.
user
You are welcome.
assistant