A dialogue between two friends about exam

Asif: Hi there!
Javed: Hey, what's up?
A: Can you help me break a fifty-rupee note?
J: Sorry, I don't have any small money.
A: Could you get change for this note, please?
J: I'm quite busy with my studies, no time for that.
A: How did your last exam go?
J: English paper was pretty easy.
A: Did you do well?
J: I think so.
A: What about the math exam?
J: It was tough. I knew some answers quite well though.
A: You look tired. Are you sick?
J: Yeah, I caught a bad cold.
A: I'm heading to your college. Need a ride? Buses are crowded now.
J: That's really nice of you. Let's do it.
A: The car's low on gas. I'll fill up on the way. Don't want you to be late. Good luck!
J: It's my favorite subject today. Hoping for an easy paper.
A: Alright.
J: Take care.