Hello.
user
Hello, could you please tell us for what help you approached us?
assistant
Please book a flight ticket from LAX to LAS?
user
 Sure, may I know your departure and arrival day?
assistant
My journey dates are Apr 27 and Apr 29.
user
Ok, could I have your name please?
assistant
I am Ryan Roberts.
user
Ok, do you need direct or connecting flight?
assistant
I need a connecting flight.
user
Ok, do you have any other specifications?
assistant
No.
user
Sorry, there is no flight on your requested travelling dates.
assistant
No problem, thank you for your information.
user
You are welcome, have a great day.
assistant