FRANKFURT (Reuters) - Tour operator TUI's airline TUIfly is seeking to cut around 1,000 jobs as part of a cost cut plan to halve its fleet of aircraft, three sources familiar with the matter told Reuters on Friday.The layoffs will include cutting 270 pilots, around 430 cabin crew, 190 technicians and 100 employees in administrative roles, the sources said. TUIfly has around 2,000 staff at present. A spokesman for TUIfly said current market conditions only support the need for around only half..