你可以帮我预订机票吗？

Can you help me book a ticket?

我需要预订机票去北京。

I need to book a ticket to Beijing.

你可以在线预订机票，非常方便。

You can book a ticket online, it's very convenient.

我们应该尽早预订机票，以免票卖完。

We should book a ticket early to avoid sold-out tickets.

订旅馆之前，先预订机票。

Book your ticket before you book your hotel.

我们需要提前预订机票。

We need to book the air ticket in advance.

他昨天已经预订机票了。

He already booked a ticket yesterday.

你可以通过中航的官网预订机票。

You can book tickets through Air China's official website.

你可以通过南航的网站预订机票。

You can book tickets through the China Southern Airlines website.

你可以通过中国南方航空公司的网站预订机票。

You can book tickets through the China Southern Airlines website.