Assistant: Hi. Can I help you?
She: Yes. I'm looking for dress.
Assistant: What size are you?
She: Medium.
Assistant: What colors do you want? Here are some nice ones.
She: Thanks.
Assistant: What about this one?
She: No, It's too short.
Assistant: Oh, come on! Try it on.
She: I'm not sure. How much is it?
Assistant: 12 dollars.
She: Oh, all right. Can I try this one on, please?
Assistant: Sure. The changing room is over there.