Telemarketter regarding green (i.e. wind) electric power

tm: <describe ostensibly good deal>

njh: That sounds great and I'm interested in signing up, could you please send me the brochure.

tm: No, we have to sign up on the phone.

njh: Why can't you just send me a form?

tm: We do the signing up via voice recording. if we send you the form anyone could fill it in and sign it.

njh: That doesn't make sense, I could be someone else from the occupant.

tm: But I know you're you because I just rang you.

njh: So who do you think I am?

tm: Well I don't know your name. Good bye sir.