Hinata kun, perhaps at that moment being a host was not important. And being able to reply isn't important, simply listening is, or letting him talk. You don't have to have an answer, you don't need something to say. You don't need to solve it, or have anything meaningful to contribute. All you need to do is hear him when he is trying to speak.

[She recognized what he said, but she didn't find it relatable to this situation particularly.]

And, sharing how you feel as well.