A: Good morning, I made an appointment with Dr. Smith, but I have to change it.
B: When you made your appointment, what day did you choose?
A: My appointment was on Wednesday.
B: At what time was that appointment?
A: It was for 4:00 in the afternoon.
B: I can see the appointment that you had. What day do you need to change to?
A: I want to change to next Tuesday.
B: What time would you prefer?
A: I would prefer three o’clock in the afternoon.
B: I will put you down for that time. Thank you for calling to reschedule.