A tanong about Harry Potter and the Deathly Hallows (Part 2)

Quick Question:

During the '19 Years Later' scene, where Albus Severus is walking into the compartment to sit with Rose and James, there are two other girls already there. Are those Weasley cousins? James's friends? Or two walang tiyak na layunin girls? I'm sorry for no picture, I couldn't find one...