Hello.
Hello. How can I help you?
I want to book a flight ticket from  NV-LAS to DC-DCA.
Will you provide your travelling dates.
Sure, it's 04/30 and 05/02.
Please give me a moment.
Sure.
Thanks for waiting. As per your request the flight is available. The flight number is 1003 with price 100 and the connections 1.
OK, please confirm the ticket.
The airline is UA. Are OK with this? May I know your name for booking the ticket?
Yes, I am Emma Williams.
OK, your ticket is booked.
Thank you for the help.
Thanks for reaching us. Have a safe journey.