There are a bunch of "Looking for a model" groups in contact. Send there a request "Beginner photographer, looking for a model for such and such a shooting of such and such a date." It is better to indicate that the shooting is free (if so) and be sure to clarify the cost of the hall and who pays for it, if the shooting in the studio - for payment, you can already discuss with the model in the PM.
Models will like or repost. You can choose someone or all of them at once). There and the photo of the person are all immediately visible.
Not only are more or less mobile people registered there, but you can also select them according to those external criteria that interest you.