Hong Kong, May 2 -- Lufthansa Group's first quarter financial report has revealed the strong performance of its flights to India and Japan and noted encouraging booking trends for the northern hemisphere summer season. Read More "In addition to the traditionally strong North American routes, demand from business travellers on India and Japan routes in particular is growing this year," Lufthansa Group said. "Overall, bookings for the summer timetable, from April to October, are up 16% over the previous year." Lufthansa Group operates Austrian and Brussels Airlines, Eurowings, Lufthansa and Swiss as well as their subsidiaries and affiliates. "Global demand for air travel is strong," the airline said. "We are therefore continuing to expand our...