The conversation most probably takes place between

W: Good morning. Did you go to the concert last night?
M: Yes, it was great. What about you?
W: Oh, I thought it wonderful, though I missed the first part.
M: Why, it’s a pity. Next time, Jet’s go together.

W: How could you forget about such a large debt?
M: Oh, no. I’ll try to pay him back soon. You don’t have to worry.