I'm so glad your daughter felt supported and backed up by you @sandrae. I think mine just came back at me because her friend's response was even worse after I'd intervened. I'm also glad for your daughter that she's decided not to share a room with them and have a room of her own. As she said, she'll no doubt have other friends stay with her.
My daughter's learning to recover quite quickly and sort things out which is great. I think our girls are really switched on to what makes a good friend and what doesn't which is awesome, but yes, creates heartache for them along the way.
I'll be interested to see how it goes for your girl, and wishing her the best time away! 
