[Lance follows him, opening the door, and once they're back out in the main bar area he addresses the comment.]

I probably should see if anyone else needs anything, yeah. But if you have more questions or anything like that, feel free to come find me if you want. I plan to be around most of the day.

[He says it just in case Sephiroth is just trying to be polite, but it might just be that he wants some time to think about things and adjust, so Lance will take the hint and let him have some time to himself. So unless Sephiroth has anything else to ask for now, Lance will give him a small nod of farewell and see who else might need some help.]