這句英語怎麼說第85期:"訂機票"用英語怎麼說

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Raymond: I'd like to make a reservation to Los Angeles for next Monday.
我要預訂一張下禮拜一去洛杉磯的機票。
Ground Staff: Just a second and I'll check the schedule.
請稍等，我查一下時刻表。
R: I'll need an economy ticket with an open return.
我要經濟艙，回程時間不定的往返票。
G: American Airlines has a flight leaving at 9:25 a.m.
美國航空公司有一個早上9點25分起飛的航班。
R: I guess that's OK. What time should I check in?
這個可以，我應該什麼時候去辦理登機手續？
G：You have to be there two hours before departure time.
你要在飛機起飛前兩小時到達哪裏。