Hello.
Hello, how may I aid you?
I am Paul Harris, planning to visit Las Vegas. Can you please book me the ticket from DCA to LAS?
Sure,  I am here to help you out. Please provide me your trip dates.
My planned dates of journey are from 05/26 to 05/28.
Here is a direct flight with airfare of 100 in 1029 AA airlines, can I proceed with it?
Please book my ticket with this airlines.
Your ticket has been booked.
Thank you for booking my ticket.
Thank you for reaching us.