2--Yes. Do you exchange foreign money here？
 
1--Yes. Our bank is authorized to deal with foreign exchange.
 
2--What kinds of currency do you change?
 
1--We can change only three kinds of currency, USD, Japanese Yen and HK Dollar in our savings office.
 
2--Could you tell me what the exchange rate for USD is today?
 
1--The buying rate is 826.44 yuan for 100 dollars.
 
2--I want to change some US dollars to cover my expense here.
 
1--Please go to Counter No.2, the foreign exchange counter. It's over there.
 
2--Thank you.
 
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注解：
 
1.exchange兑换  
2.authorized授权     
3.currency货币
 
===================================
译文：

1--您需要什么服务吗？
2--需要。请问你们这儿兑换外币吗？
1--晃。我行经授权可以办理外汇业务。
2--你们银行兑换哪几种货币？
1--我们储蓄所只能兑换三种货币，美元、日元和港币。
2--您能告诉我今天的美元汇率是多少吗？
1--银行买入价是每100美元换826. 44元人民币。
2--我想换一些美元来支付我在这里的一些费用。
1--请到2号柜台，外汇柜台办理。兢在那边。
2--谢谢。