Accept and refuse invitations

Bernat: Hey, Enric, do you want to go to the zoo after school ?
Enric: No. Sorry, Jake, I can't. I've got tennis practice.
Bernat: Oh, rigt. That's a pity.
Enric: Yes, I know
Bernat: What about thursday  then ? Are you busy ?
Enric: No. Why ? What are you doing ?
Bernat: Some of us are meeting at the swimming pool if you want to come ?
Enric: Sounds good .  Text me later, ok?
Bernat: ok, Bye, Enric