首先我先代表安徽旅行社欢迎大家的到来！

First I first representative anhui travel agency welcome the arrival!

youdao

我先代表我们西西旅行社真诚的欢迎大家！

Please allow me on behalf of XIXI travel Service to extend our sincere welcome to you!

youdao

好，我想利用这个机会代表青海国际旅行社和我的同事对大家到青海旅游表示热烈欢迎。

Well, on Behalf of Qinhai International Travel Service and my colleague, I'd like to take this opportunity to extend a warm welcome to your visiting to Qinghai Province.

youdao