Help! American or British English?

First, go to a href="http://www.mofile.com/en/" rel="nofollow"http://www.mofile.com/en//a and enter the pickup code "9669632619633147" and download the file called 11.wma. The on called "下载文件" is just on the right of "File Expires Date: 2006-09-07 20:14:45(GMT+0) ". Then help me identify where the speakers come from in DIALOGUE 1