Gone? In a few days?

Then she can't waste time talking to these people.

He doesn't even finish talking before she turns away from him, randomly picking one of the tunnels and striding purposefully towards it. He won't help her find the others? Fine. She'll do it herself. Her cause is far too important to mind the dangers ahead- the violent organics, the collapsing caves.

Another small quake sends her staggering forward, feet slipping before she catches herself (barely) and starts running down her chosen path.

There's no response at all- Nothing, for all of Sans' calling out to the real Maxine.