We are going on an Alaska cruise tour, and reserved plane tickets through EZ Air from Boston to Anchorage (United), and then Vancouver back to Boston (Air Canada).   United changed schedules and the flights we reserved do not exist anymore. Reserving a new flight is significantly more expensive (>$300 pp and there are 6 of us). The itinerary has not been updated on the Princess site, but if you click on "change flights" it does display the message "The flight itinerary you are tryin