Indeed the train is not forthcoming. Elidibus inclines his head, acknowledging what is a truth. Unless the train opens up dialogue, they're unlikely to reach it.

His attention seems distracted. Something or someone else has caught his eyes and he starts to rise. "I should move on. Call if you've need of something more. Or should you need assistance getting to the sali to return your crystal."

If not prevented, he'll move on and be later seen helping others.