Bob: Hey, you busy this evening?
Rob: No, not really. What's up?
Bob: We're having a games night at my place and was wondering if you'd like to come? So far it looks like it will be me, Ann, John, and Tim.
Rob: Sure, sounds great. What time?
Bob: Around 7. Brings snacks and beer :)
Rob: Cool. See you then!
Rob will join Bob, Tim, Ann and John for a games night tonight around 7. 