Excuse me, could we have a table over there by the wall?
请问,我们可以坐那边靠墙的桌子吗?
I'm sorry. That table has been reserved.
很抱歉,那张桌子已经被预订了。
Can we take that one over there?
我们可以坐那张桌子吗?
Could we change tables?
可以换个桌子吗?