Hello.
Hello, may I aid you?
I am planning to visit to science exhibition at Phoenix AZ-PHX.
Ok, may I know your trip dates?
My trip dates are from 05/28 and 05/30.
Where do you want to board?
My  boarding point is Denver CO-DEN.
Ok, may I know your price limit?
I can afford up to 200.
May I know your name?
I am Scott Anderson.
There is a flight on Frontier airline, flight number 1003 it cost only 100.
Ok, proceed with the booking.
Your ticket is booked.
Thanks  for your information.
Thank you.