graph TD
A[Employee] -->|https://host/...|B{Service APIs}

B --> |/BusinessAPI/...|C[Business Actions]
B --> |/ManagementAPI/...|D[Management Actions]

C--> |/login/|E[Log In]
C--> |/logout/|F[Log Out]

C--> |/query/...|G[Search Rooms]
C--> |/cancel/...|H[Cancel Rooms]
C--> I[...]

D --> |/room/...|O[Room property management]
D --> |/guest/...|P[Guest property management]
D --> Z[...]
