Hi! sorry for the delay in replying, after seeing lila you can try changing the time of day and going to sleep, have you tried it?
in this version of the game you are playing you can only use the following locations:
the train station the forest and the village, I am not sure if the girl you are referring to that you see in the park is lila or ellie, I need more information to help you. there is a journal in the game which tells you what missions you have left.