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