He has to make time for everyone. Including you. And it sounds like he hasnt made any time for you. He made plans with you, then remembered other plans, and is just going to let it go and see if his friends want to go out. Since it's still early. I would just try and let it go. Make a date, a real write it on the calender date. Maybe like a week away. If he makes the date, and that's making time for you, good. If he doesnt keep the date then it will show you that he may not be ready for a real relationship.