Sure, I need a belt that is kind of casual and kind of dressy.
当然，我要一条有点休闲又有点讲究的腰带。

Ur, perhaps a leather belt would work, do you prefer lighter or darker colors?
额。可能皮带可以，您更喜欢深颜色还是浅颜色？

I like darker colors, may be a brown  我喜欢深颜色，或许可以是棕色。

Ok, here are a few different styles, I'll let you look at them. If you need anything else, just let me know.
行，这里是一些不同的款式的腰带。我会给您看看。如果您需要其它的，只要告诉我就好了。

All right, thanks a lot.  好的，非常感谢。

Dialog 2

Hi, I'm looking for some perfume for my wife.  您好，我在找给我妻子的香水。

What do you have in mind?  您心里有什么想法？

I'd like sth that's not too strong. She likes soft smelling perfume.
我想要味道不是很浓的。她喜欢闻起来淡的香水。

Ok, here are three different bottles, which one of these do you like?
好的，这里是三瓶不同的香水，您喜欢哪一瓶？

Let me see, Wow, I like that, what is it called?  让我看看。喔，我喜欢那个，它叫什么？

That's Poison, It comes in four ounce bottle and six ounce bottle.
它叫Poison。它有4盎司和6盎司的。

words and phrases

casual随便的, perfume香水, bottle瓶, prefer更喜欢, perhaps可能