Use Case Diagram for the Hotel Management System

Let’s build the use case diagram for the hotel management system and understand the relationship between its different components.

First, we’ll define the different elements of our hotel, followed by the complete use case diagram of the system.

System

Our system is a "hotel."

Actors

Now, we will define the main actors of our hotel management system.

Primary actors

• Guest: This is the hotel's primary actor who can book a room, make payment, and change or cancel the reservations.

• Receptionist: This actor acts as the admin of the system and can perform any task a “Guest” can perform. This can also add, remove, or update the room, check in/check out guests, and issue room keys for guests.

• Manager: This actor can add or modify an employee and issue a card to an employee of the hotel.

• Housekeeper: This can add or update the room’s housekeeping status.

Secondary actors

• System: This can send booking notifications to guests.

• Server: This can add or update room status according to the room change request.

Use cases

In this section, we will define the use cases for the hotel. We have listed the use cases according to their respective interactions with a particular actor.

Note: You ...