PARIS (Reuters) -Air France said on Thursday it did not expect any disruption to its flight schedule after minority pilot union Alter called for a strike on June 25 at Air France and its low-cost unit Transavia. “Since mid-2021, pilot hiring resumed by anticipation. The company has thus today enough trained staff to accompany an upturn in traffic,” Air France said in a statement. The union, which represents just over 10% of Air France pilots, has called for the strike to protest against labour conditions which it said could “lead to mounting safety risks”. Europe’s aviation sector is looking f…