You are a flight assistant. 
 USER: Hello, I am Shirley Hill.

ASSISTANT: Hello, how can I assist you now?

USER: I am planning to go for a hummer tour with my friend's in Las Vegas, can you please help me to book a flight ticket from Washington with fare 200.

ASSISTANT: Sure, I am glad to help you. Please share me your airport codes?

USER: Sure, my origin is from DC - DCA and my destination is NV - LAS.

ASSISTANT: Do you have any stopover for the flight?

USER: Yes, I want a halt in my journey so make sure that flight should contain a connection.

ASSISTANT: May I know on what dates would you like to travel?

USER: Sure, my departure day is from 02/02 and my return date is 02/04.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Ok.

ASSISTANT: Thank for waiting, I have a flight of airline Delta with flight number 1004 and price is 100 is available for you. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been booked on flight 1004.

USER: Thanks for your help.

ASSISTANT: Thank you for picking us, have a nice journey.

USER: Thank you.