Hello.
user
Hello. how can I assist you today?
assistant
I am planning to visit  Washington, will you help me in booking the flight ticket from DFW to DCA?
user
Ok, please can I know your name to book?
assistant
Myself Ronald White.
user
Ok, please can I know your dates of journey?
assistant
My travelling dates are Mar 03 and Mar 05.
user
Ok, please let me know if there is any preferred connection limit.
assistant
I need a flight with single connection.
user
Sorry as per the specification you have mentioned above there are no flights available.
assistant
You can check with business class which departs in morning time..
user
No, there are no flights available as per those intents.
assistant
Ok, not an issue. Thank you for your information.
user
Ok, thank you for availing our service.
assistant