Oliver: Hi
Oscar: What's up?
Oliver: I'm going to see a movie.
Oliver: Wanna join?
Oscar: Which movie?
Oliver: Call me by your name
Oscar: I've seen it
Oscar: It's a great movie
Oscar: I could se it again
Oliver: Come and join me!
Oscar: I need to finish something
Oscar: I can come in an hour
Oliver: Ok I'll wait for you
Oliver is going to see "Call me by your name" and invites Oliver to join him. Oliver has already seen the movie, but wants to see it again, so he'll join Oliver in an hour when he'll have finished something.