Currently when you create a loaned item, the item disappears from the list and you cannot create another record for the same loaned item until the loaned item is returned. Even if you explicitly type the item into the list, you get an error. We have the need to be able to schedule the loan item out into the future to a variety of people and locations. Ideally the loaned items would be date effective, meaning that you cannot have overlapping in and out dates for the same loan item. This would also mean that the drop down box would need to have two tabs. I would suggest the default/first tab is the currently available loaned items, and second tab that shows all loaned items.

Our scenario is that we have a number of assets, for example a surface hub 2, this week Johnny wants to use it in one location, and next week Susie wants to use it in another location. Currently you cannot create both records with a future date to "schedule" the request for the loaned item.