Pronouns

One day the doctor asked the doctor's assistant for the doctor's calendar. Then the doctor checked the doctor's calendar to see what appointments the doctor had that day. Then the doctor returned the doctor's calendar to the doctor's assistant for the doctor's assistant to use to schedule the doctor's patients appointments

One day the doctor asked her assistant, James, to hand her the appointment calendar. Then she checked it to see how many appointments she had that day. After that, she returned the calendar to James and asked him to use it to schedule her other patients' appointments.