Hi, Paul Green here.
user
Hello, how may I assist you?
assistant
 I planned to celebrate my parents 31st wedding anniversary in LGA, can you help me to book a flight ticket from LAS?
user
That's great. Sure, on which dates you want to travel?
assistant
My planned dates are 01/14 to 01/16.
user
There is a flight-1002 of Delta airlines, do you fine with that?
assistant
Yes, book it to me.
user
Sure. Your ticket has been booked, have a nice journey.
assistant
Welcome.
user