Can I book the tickets online? /我能在在线订票吗？
Dialouge
A: Do you know when you want to fly to Shanghai?
A: 你了解你什么时间想飞往上海吗？
B: Not yet, but I'll decide when I've checked everything on the website.
B: 还不了解，但当我在网上查完的时候我就将做出决定。
A: Well, when you have decided1, then you can book your tickets.
A: 哦，当你做出决定将来你就能订票了。
B: Can I book the tickets online? Is that possible?
B: 我能在在线订票吗？可能吗？
A: Yes, I think so. It depends on the airline. And you'll need a credit2 card.
A: 是的，我想可以。这取决于航空公司。你还需要一张信用卡。
B: OK, I'll try. Hopefully, I can do everything online.
B: 好的，我尝试一下。但愿所有我都能在网上完成。
Notes 注解
1. Remember how to use the verb depend / depend e.g.: I might go shopping on Saturday- it depends on the weather / I might go shopping on Saturday- it depends on the weather; It depends if the flight arrives on time / It depends if the flight arrives on time.
记住如何用动词depend /取决于比如：I might go shopping on Saturday- it depends on the weather /我周六可能去购物依天气而定；It depends if the flight arrives on time /这取决于航班是不是可以按时到达。
2. You can talk about booking something online / booking something online, e.g.: I will book the tickets online / I will book the tickets online.
你可以谈论booking something online /在在线订购某物。比如：I will book the tickets online /我将在在线订票
