The fee is $110 for award flights. There is no fee to change or cancel a flight ticketed within 24 hours, so long as the reservation was made at least 7 days prior to departure. United Airlines charges change fees of $200 for domestic flights and up to $400 or more for international itineraries.
troll noun [C] (CREATURE). âº an âimaginary, either very âlarge or very âsmall âcreature in âtraditional âScandinavian âstories, that has âmagical âpowers and âlives in âmountains or âcaves.
patent troll. A company or person that acquires a lot of patents without the desire to actually develop the products. Instead of making money from the product, the company or individual launches a large amount of patent infringement lawsuits. The sole purpose of a patent troll is to identify infringers and sue them.