Please answer the following question: Given the question "Why didn't the man see Lily at lunchtime?" and the answer "Her English class didn't finish on time.", write a conversation that might have happened.
A:
M: Hi, Lily. Where were you at lunchtime? I was looking for you in the dining hall.W: Oh, sorry, I missed you. My English class ran late again.M: That's been happening quite often recently. Maybe it's because the final exams are coming up.W: Yes. After class, there is always a group of students hanging around the professor asking questions. How about you? Are yon ready for the exams?M: I've been studying a lot recently, but my math problems are really giving me a big headache.W: Don't worry, Tom. There's still one month to go before the exam. You have enough time to work them out.M: Well, I don't need to spend much time on other subjects. I can pay more attention to my weak subjects.