Wait until they come back then give Kayla the phone.
From Create Your Own Story
You're just about done eating when Kayla and Max come back and you tell her she forgot her phone. Seeing as though your all almost out of money you all decide to leave. Its about 7 and you all are ready to leave. You call your Mom and she says that she will pick you up in about 30 minutes. Kayla and Max are both gone in about 5 minutes. Julian's house is a moderate walking distance away and his Dad is out somewhere doing something probably involving alcohol. Its awfully cold now and you are wishing you brought a jacket or maybe wore a longer skirt. You tell Julian he can walk home but he says there's nothing to do at his house and that he'd rather wait here with you. He offers you his jacket. You say its ok but as it starts to snow you...