I'd like to convert the full amount of the remittance into U.S. dollars.

我想把全部汇款换成美圆。

I'd like some coins for this note.

我想把这张纸币换成硬币。

I'd like to break this 50 dollar note.

我想把这张50美圆纸币换开。

Five twenties and ten singles, please.

请给我5张20元和10张一元的。

I need 300 dollars in 100-dollar cheques.

我要300美圆票面为100美圆的支票。

I hope you'll give me ten traveler's cheques of 100 dollars each.

我希望给我10张面额为100美圆的旅行支票。 In fives, please.

请给我5元票面的。

Could you give me some small notes?

给我一些小票好吗？

currency, money 货币