Hello.
Hello. How may I help you now?
Can you help me to book a direct flight from DCA to LAS?
Sure, I am oblige to help you with flight ticket booking and may I know your travelling dates?
My travelling dates are 07 and 09 of Sep.
For booking the flight ticket, may I know your name please?
I am Robert Baker.
Do you have any other specifications for your journey?
I would like to depart in the evening.
I have found a flight on your requirements in Hawaiian airlines with a fare of 100, do you want me to proceed with booking?
Please proceed with the booking.
Your flight ticket is booked in 1009 flight which will depart at 20:00 PM.
Thanks for helping me.
You are welcome and  have a happy journey.