What is Kathy expected to do?

Ben: Kathy, we need some help for the charity show on Saturday. Do you think you can help?
Kathy: Sure, what do you want me to do? I can do some of the cooking if you need.
Ben: No, the cooking is taken care of.
Kathy: OK, what about the clearing up? I can pick up the litter off the floor. There’s going to be a lot of people around and the park will get pretty messy I think.
Ben: John and Lindsay have volunteered to do all of that.
Kathy: So what do you want my help for?
Ben: The talent contest.
Kathy: I’m sorry?
Ben: Yeah, you know, the talent contest we’re doing. The problem is—we don’t think many people will volunteer to take part unless there’s some people already signed up, so I want you to put your name down now to do something.
Kathy: But I can’t do anything!
Ben: Sure you can!
Kathy: No, seriously. Ben, I’m the last person you want for a talent show. I don’t have any.
Ben: You don’t have any what?
Kathy: Talent!
Ben: Look, I asked Graham and he said he would tell a few jokes to begin the show.
Kathy: Have you heard any of Graham’s jokes? He can’t tell jokes, Ben! Who else do you have?
Ben: Your mother agreed to play a piece of music on the clarinet. Something from a film.
Kathy: Oh, that’ll be nice. She can play well.
Ben: Alright! So now we need you to do something. What can you do really well?
Kathy: I can cook!
Ben: I don’t think people are going to want to watch you cook, Kathy!
Kathy: I can do some card tricks. That could be a nice idea.
Ben: Do they always work?
Kathy: I can practice! They usually work!
Ben: Hmm! Is there anything else you can do?
Kathy: Well, I can’t dance and I can’t juggle...
Ben: What about singing? Can you sing?
Kathy: My voice isn’t too terrible! I can sing the national anthem quite well.
Ben: Hey, that’s great. It’ll only take a couple of minutes and with three volunteers already. I think other people will be less shy to sign up.
Kathy: What time does the talent show start?
Ben: Around 3 in the afternoon.
Kathy: Oh no! I’m on Susan’s cookery stall until 4!
Ben: Can you escape for just 5 minutes?
Kathy: Not really, but if you want, I can sing my song at the end of the show instead of the beginning.
Ben: Yeah, that sounds perfect. We’ll finish up at about 5 pm.
Kathy: OK, agreed. Put me down as the last one in the talent show.
Ben: Thanks a lot, Kathy. I really appreciate it.
Kathy: Sure, no problem!