What are they mainly talking about?

A: I want to find a part-time job during the summer vacation and earn some money. How about you?
B: I’m going to take a few summer courses so that I can graduate early next year.

A: I must go to the library, the one near the laboratory, because I have to finish my research project by tomorrow. But if I could, I prefer to go with you to the theatre.
B: I wish you could come along.