英语翻译
Allow me to fetch you a chair.
—Thank you,but I've just asked the waiter to get me one.
—Let me get you a drink,then.
—Thank you again,but look,John's bringing me one now.
—I don't seem to be very useful,do
—Don't say that.There's always another time,you know.
最后这两行怎翻译呢