As I am sure you are aware, some international tenants are actually scam artists. Rule number one is to NEVER return excess money after receiving any kind of funds (bank transfer, money order, etc.). I have found that many "international students" lose interest immediately after this comes up.
That being said, there are many genuine overseas tenants. I have been one myself. But I would never rent a property sight unseen. There are several companies that offer short-term rentals (furnished and otherwise) by the day, week, or month. I would recommend one of these to the prospective tenant so that they may view your suite and be sure that it will meet their expectations. In the meantime of course, continue showing it to other prospects.
Regards,
Sherilynn