It says that the admin wants to retrieve the patient's details to schedule the appointment. But, both retrieve and book requires the admin to know the NRIC (and only NRIC is required) beforehand. Thus, the retrieve serves nothing to help the admin to schedule an appointment.
User stories
It says that the admin wants to retrieve the patient's details to schedule the appointment. But, both retrieve and book requires the admin to know the NRIC (and only NRIC is required) beforehand. Thus, the retrieve serves nothing to help the admin to schedule an appointment.