Ключевые слова: air, america, aviation, ban, booking, border, business, canceled, cancellation, closed, company, compensation, coronavirus, covid19, crisis, delay, disruption, document, due, eu, europe, european, exchange, flight, holiday, industry, insurance, islamic, muslim, open, pandemic, passenger, passport, problem, refund, reopen, restriction, sticker, ticket, travel, travel ban, trump, union, us, usa, words,