It doesn't. But in this case it was best Alice had someone nearby. One more carriage. She would have lied to take Alice into the luggage carriage, into one of her hiding spaces. Safe there. But she's not sure if the smell of smoke in there will make Alice's worry worse, it's different kind than fire but it might be worrying, if she fears the fire.

So instead she stops in the sleeper carriages, the very first one. She opens the door to her room, her roommates best not be in, and gestures Alice in.

"That do be being a lot of doors to be protecting us."