A: I was wondering if I could reschedule my appointment to a later date? B: OK, just tell me what day would be best for your appointment. A: Wednesday or Thursday would be perfect. B: Thursday is available; would ten or eleven be best? A: I would love to have an eleven o'clock appointment. B: Great, I'll just add you in, if that works. A: Perfect, I appreciate that. B: So happy that we had an opening for you.