Throughout the night Kol had woken up, he had called room service again, compelled the waiter to offer his neck. After he had fed he had compelled the man to go and get Elena new clothes. She would find new panties, bra, jeans and a tank top when she woke up.
Sitting on the bed he contacted his brother again, informing him that they were resting for the night and that they'd continue on the road tomorrow. He even snapped a picture of the sleeping doppelganger to show his brother the girl was unharmed/