What can I do for you, sir? 先生，能为您做点什么？

I found this watch in the street. I guess it’s lost. Could you help me find its owner? 我在街上检到了这只手表。我想是谁丢的吧，您能帮我找到失主吗？

We'll try our best. 我们会尽力的。

I want to hand in a purse. I found it on a bus. 扰一下，我想上交一个钱包，我在公交车上捡到的。

I want to hand in a purse. I found it on a bus. 扰一下，我想上交一个钱包，我在公交车上捡到的。

OK. May I have your name, please? 好的，请问您叫什么名字？