Initially, Vernon warns Harry to keep his (female) bird quiet, but then they start to talk about his friends, including Hermione, who haven't sent him any owl-letters all summer. This passes RB-2, but may not strictly pass RB-3.
Whether the above conversation passes RB-3, when Harry returns to his room, he meets Dobby the House-Elf. They have a long one-on-one conversation which easily passes RB-3, and is interrupted only by Vernon coming in to scold Harry, a conversation which also easily passes RB-3.
The second woman with lines is Mrs. Weasley. After she scolds her sons, she begins fixing breakfast for them. Ginny Weasley comes downstairs and says, "Mum, mummy, have you seen my jumper?" Mrs. Weasley replies "Yes, dear, it was on the cat." Ginny suddenly notices Harry, and doesn't reply, but just runs back upstairs.
Mrs. Sprout begins class by welcoming the new students, and saying, "...Today, we are going to repot mandrakes. Who here can tell me the properties of the mandrake root?" Hermione replies with their use, and the danger of the mandrake's cries. Mrs. Sprout says, "Excellent. Ten points to Gryffindor." There's another similar conversation in Professor McGonagall's class, with Hermione asking about the Chamber of Secrets.