A: Hello! ?
B: This is Helen speaking.
A: Hi Helen. It's Cindy here. I called you this morning, but you didn't answer. ?
B: I was taking my dog for a walk.
A: I see. What are you going to do this weekend?
B: Nothing much. Do you have any ideas?
A: ?
B: Science Museum? No, I haven't
A: ?
B: Yes, I'd love to. ?
A: Let's meet at the school gate at eight on Saturday morning.
B: That's a deal.