导购口语:

Good morning, miss. Do you want to buy something here?
晚上好，小姐。要买东西吗？
Are you being served?
有人招呼您吗？
Is there anything you’re interested in here?
有什么您感兴趣的吗？

语句解析:
Are you being served? 有人招呼您吗sever表示“（在商店等处）接待（顾客）或为顾客去货物”的意思。还可以说成：
Are you being helped?
Is there anybody waiting on you?

情景再现:

A: Is anybody waiting on you?
A:有人招呼您吗？
B: No. I am trying to find a green sweater in extra large.
B:没有。 我想买一件特大号运动衫。