Some orders will be transferred to other models, e.g. Airbus sold customers an A350-800 that didn't exist yet then cancelled the project that would have develop

Some orders will be transferred to other models, e.g. Airbus sold customers an A350-800 that didn't exist yet then cancelled the project that would have developed it. The orders were transferred to the -900 and A330neo, with the airlines presumably getting an inducement to do so.