Jack wants to get from Kauai to Las Vegas as soon as possible. The initial price quoted is exorbitant, and then the airline employees discuss other routes that might be more-reasonably priced.
This song provides a great introduction of price discrimination. Airlines attempt to charge customers different prices based on how much they’re willing to pay, even though the cost of each seat is the same. These cost differences can occur both based on when the ticket is purchased and whether the customer is willing to pay more for a direct flight.