Olivier: I'm having a party on Saturday. You're welcome to come!
Drake: Cool.
Pam: I'm sorry, I'm out of town.
Drake: What time should I come?
Olivier: After 9
Drake: Do you want me to bring something?
Olivier: No, thanks. I have everything. 
Olivier invites Drake and Pam to the party on Saturday. Pam won't come because she's out of town. Drake will appear after 9 pm.