Hello. My name is Donald Young.
Hello, we are glad to have you as a customer, how can I serve you today?
I want to visit to my uncle's house after a long time, can you help me for booking a flight ticket with the price limit of 500?
Sure, can you please share your journey dates and connections?
My journey dates are from 12/27 to 12/29. I need only one connection.
Ok, can you please specify your source and destination?
It is an round trip my source and destination is Washington, DC - DCA.
Ok, please wait for a while, let me check the availability and revert to you.
Sure.
Thanks for your time, we are happy to inform you that we have found a flight of  UA airline, flight number-1028 connections-1 and price limit is 100. Shall I proceed to booking?
Ok, you can proceed for booking.
Sure, your dates has been reserved.
Thanks for your service.
Thanks for reaching us, have a safe journey.