Hello,.
user
Hello,. How may I assist you?
assistant
I want to book a flight ticket with the name Anthony Harris on 11/19, please help me with a connecting flight.
user
Sure. May I know  travelling airport codes?
assistant
I want to fly from DC- DCA to NY- JFK.
user
Please specify your return date.
assistant
I want to return on 11/21.
user
No flights available for your requirement.
assistant
Ok, no issues.
user
Thanks.
assistant
Thank you.
user