Final answer:
David wants to hangout with someone while Alexis has her sleepover. However, the question does not specify who David wants to hangout with.
Step-by-step explanation:
David wants to hangout with someone while Alexis has her sleepover. Unfortunately, the question does not specify who David wants to hangout with. It could be a friend, a family member, or anyone else. Without more information, it is impossible to determine exactly who David wants to spend time with.