Is it all right if I smoke here  我可以在这吸烟吗？

Sorry. It's non-smoking area. 对不起，这里是禁烟区。

is there something I can help you? 有什么我可以帮忙的吗？

A You look bothered. Is there something I can help you with? 看你好像有点麻烦，有什么我可以帮忙的吗？

B Yes. I am looking for Admin, Department. 是的，我在找行政部。