今回のドリル 一言英語 : 航空券を予約する時に役立つ英語フレーズ 英語 Could you help me book a flight ticket, please? What is the price for a one-way ticket? Are there any available seats on the next flight? I would like to change my flight reservation, is that possible? Can I get a refund for my cancelled flight? 日本語 航空券を予約するのを手伝っ…