Who is not going on the marketing course?

M: Jenny, about the people from our department who are going on the marketing course next week.
W: I sorted that out yesterday. And I confirmed places for Mr Tang and Mrs Pascoe.
M: Yes, well, Mrs Pascoe will be there, but Mr Tang has another appointment. So I replaced him with Miss Holness.

W: James, here is the agenda for the staff meeting.
M: Oh, I thought it started at 3:30 pm.
W: Yes, it usually does. But I’ve got an appointment with Joe Harrison at 3:00 o’ clock pm. And it is likely we’ll talk for at least an hour. So I thought 4: 30 pm is a better time.
M: OK, I will let everyone else know.