根据对话内容，选择正确答案。

Jenny isdialing(正在拨) a telephone number.

Frank: Hello!

Jenny: Hello! Is Lisa at home?

Frank: I'm sorry. There is no Lisa here.

Jenny: Is it 727-6639?

Frank: No, it isn't. It's 727-6693.

Jenny: I'm sorry. I dialed the wrong number.

Frank: That's all right. Bye.

(Jenny dials the right number.)

Jenny: Hi, Lisa! This is Jenny.

Lisa: Hi, Jenny. What's up?

Jenny: Do you know Ms. Brown's telephone number?

Lisa: Ms. Brown, our English teacher?

Jenny: Yes. Do you know her phone number?

Lisa: Yes, I do. It's 284-3361.

Jenny: Thanks, Lisa.

Lisa: You're welcome.