What happened may make it clearer to you.

Well, Tilly gradually grew quieter, and at last slept.

The tired mother was sleeping also, and I sat at the window just as you imagined, my thoughts sad and questioning, to say the least At last I saw that Tilly was awake, and looking at me with something like interest and curiosity.

I went to her and asked if I could do anything.
"She said, in her slow, feeble way, 'I thought I knew every one about here, but I don't remember to have seen you before.' "Then I told her who I was, and that her mother was in the next room.
"'You are very kind,' she said.

'And you are from the hotel.