customer: Hello, I am Matthew Smith. 
 agent: Hello, how may I oblige you today? 
 customer: I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you please help me to book a flight from Las Vegas, LAS? 
 agent: Sure, we are glad to serve you. Kindly mention your budget for flight ticket? 
 customer: As, my budget is low I can afford only up to 200. 
 agent: Do you need any stopover in between journey? 
 customer: Yes, I need 1 lay by with in my route. 
 agent: May I know when would you like to  travel? 
 customer: I want to travel on 08/20, and need to catch return flight on 08/22. 
 agent: Ok, please hold a moment, let me search a flight for you. 
 customer: Sure. 
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 customer: Ok, please proceed with my booking. 
 agent: Sure, I have booked you at Delta airline. 
 customer: Thanks for your kind service. 
 agent: Thank you for opting us, have a safe and happy journey.
agent: Thank you for your time, we have found a Delta airline, flight number-1004 connections-1 and ticket fare is 100.