Convert to data flow diagram level -1

Manager: 1. Update the customer data in the system 2. Add and Update item data in the system 3. Search for customers, items and orders. 4. Approve the customer registration. 5. Add and Update tables data Customer: 6. Register in the system and provide his/her personal and health data 7. Search for items and orders 8. Provide the customer with feedback 9. Update his/her data 10. Place orders from outside the cafe 11. Cancel order Waiter: 1. Search for items 2. Place orders for customers inside the cafe 3. Take the order amount and give it to Accountant Accountant: 1. Collect the amount of order and enter it in the system. 2. Prepares bill for external orders Chef: 1. View List of order 2. Start preparing the order 3. End the preparation of the order