mobile healthcare management system

Project Description:
i want ready uml diagraml for mobile healthcare managment ,

funtions
1 patients should be able to check doctor availability and book theappointment.
2 Doctor should be able to accept or reject appointment.
3 Doctor prescription storage and viewable to all departments.
4 Lab admins to update lab test results
5 Pharmacists to provide stock details and delivery of medicines.
6 Billing user to bill based on all the transactions done at each departmentand keep a track of the same.
7 Automatic notification between doctor, patient, pharmacists, lab adminsand billing divisions based on use case

Users of the System: Doctors, Patients, Pharmacists, Lab admins, Billing user

and the diagrams should be of 3 types
1.use case
2.class diagram
3.activity diagram

please have very small buget as its a 1 hour job .
thanks