May I know your name and room mumber ?

请告诉我您的名字与房间号码。

May I know your name and room numend upr?

您能报告我您的名字与房间号吗？

I took you fMr Green from the Customs just now. May I know your name?

我刚才把你错当作海关的格林先生了。请问尊姓大名？