What time does the secretary ask Tom Watson to come to the office?

W: Dr. Black’s office. May I help you?
M: Yes, I’d like to see Dr. Black.
W: Will this be your first visit to Dr. Black?
M: Yes, it will be.
W: What is your name?
M: Tom Watson.
W: Okay, Mr. Watson, would you be able to come to the office on Friday at 10?
M: On Friday at 10? Yes, that will be fine.
W: What is your telephone number, please?
M: 89780752.
W: Thank you very much, Mr. Watson. We’ll see you then.
M: Thank you. Good-bye.
W: Good-bye.