旅行社帮我们订好了机票和酒店。

Lǚxíngshè bāng wǒmen dìnghǎo le jīpiào hé jiǔdiàn.

The travel agency helped us book the plane tickets and hotel.

如果你第一次出国，可以找旅行社安排一切。

Rúguǒ nǐ dìyīcì chūguó, kěyǐ zhǎo lǚxíngshè ānpái yíqiè.

If it’s your first time going abroad, you can ask a travel agency to arrange everything.

他打算自己订票，不想通过旅行社。

Tā dǎsuàn zìjǐ dìngpiào, bù xiǎng tōngguò lǚxíngshè.

He plans to book the tickets himself and doesn’t want to go through a travel agency.