Jeżeli mogę ,kilka poprawić :)
A: Hi, I am going to the cinema on Saturday, do you want to come with us?
B: Of course, I would love to, but sadly I can't.
A: Why?
B: Because I have a lot of homework. Maybe we can go to the cinema on Sunday?
A: Oh, I'm sorry, but on Sunday I'm going with my parents to visit my cousins.
A: What are you doing on the weekend?
B: I'm going with my brother to my grandparents.
B: And where do they live?
B: They live in the Tatra mountains.
A: Oh, lucky you! I'm going to stay in Poznań.
B: Would you want to come with us?
A: Could I? Of course! I would be a pleasure!
B: Sure! See you there!