[Hagrid] You're a wizard Bill.

[Bill] I'm a... WHAT?!

[Hagrid] Bill, you're a wizard.

[Bill] I'm a what?!

[Hagrid] A wizard, Bill.

[Bill] I'm a WIZARD?!

[Hagrid] Yes Bill, you're a wizard.

[Bill] But I'm just Bill.

[Hagrid] Well, "Just Bill", you're a wizard.