A:
Would you like to go through our factory some time? 

什么时候来看看我们的工厂吧?
B:
That' s a good idea. 

好啊。
A:
I can set up a tour next week. 

我可以下周安排一次游览。
B:
Just let me know which day. 

定哪一天就告知我。