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.