机票[jī piào]: air ticket
起飞[qǐ fēi]: take off
降落[jiàng luò]: landing
经济舱[jīng jì cāng]: tourist class
直飞[zhí fēi]: non-stop flight
商务舱[sāng wù cāng]: business class
航线[háng xiàn]: air line
头等舱[tóu děng cāng]: first-class cabin
航班号[háng bān hào]: flight number