The carriages are not the same throughout the scene. The seat color changes then you notice the carriage with the black seats is much more ornate than the simplistic carriage that showcases the actors at the beginning and the end of the scene.
In the beginning, Priscilla establishes herself as a selfishly inconsiderate and controlling woman, making demands on Wendy's time at all hours via her cell phone, but when she leaves town again, Wendy isn't phoned even once.