A:Excuse me!Is there a hospital near here?B:Yes,there is a hospital near here.

A:Excuse me!Is there a hospital near here?B:Yes,there is a hospital near here.
A:Excuse me!Is there a hospital near here?
B:Yes,there is a hospital near here.
A:Where is the hospital?
B:It's next to the post office.
A:How can I go there?
B:You can go there by subway.
A:Thanks a lot.
B:___________.By the way,___________________________?
A:I am going to see my sick father.
斜线部分应该填什么?