Hello. I am John Miller.
Hello. How can I help you?
I would like to visit central park at New York, NY - JFK. Can you please book a ticket from Washington, DC - DCA?
OK, may I know your journey dates?
I have to depart on 05/27 and return on 05/29.
Ok, please wait.
Sure.
 Sorry, no flights are found on your requested dates.
Ok, no issue. Thanks for your service.
Thank you for availing us.