A: Excuse me, Professor, is there a time when I could meet with you? B: I could meet with you tomorrow anywhere from two until four; what time works out best? A: I would like to come in at three o'clock. B: I am glad that that works out; can you find my office? A: Yes, I can. B: Just follow the walkway to the outside and climb the stairs to the third floor. A: I got it. B: If you do get lost, just ask someone in the building to point the way. A: Thank you, I'll be there. B: If you need to cancel your appointment, please give me a call!