Hello.
user
Hello. How may I help you?
assistant
Please book a ticket from Las Vegas, LAS to attend Science festival. Can you please help me for booking?
user
Sure, please provide your trip dates.
assistant
My trip dates are Mar 20 and Mar 22.
user
Do you have any other requirements?
assistant
My depart time is evening.
user
May I know your name?
assistant
Sure, I am John Hall.
user
Sure. Ok, please wait a minute.
assistant
Ok.
user
Sorry John, there is no flight available.
assistant
Ok, no issues. Thank you.
user
Most welcome.
assistant