 The strike couldn't have come at a worse time as thousands of travelers across North America have booked flights on WestJet for their summer holiday plans. WestJet and the Aircraft Mechanics Fraternal Association have been in what's described as turbulent talks for the past two weeks. The mechanics say the Calgary-based airline is unwilling to negotiate, while WestJet says it's outraged by the job action, which it claims is designed only to create damage.