resto_sequence1.puml

@startuml
'https://plantuml.com/sequence-diagram

autonumber

actor Customer
participant "Authentication System"
participant "Reservation Manager"
participant "Table Manager"
database Database

Customer -> "Authentication System": Login Request
"Authentication System" -> Database: Verify Credentials
Database --> "Authentication System": Credentials Verified
"Authentication System" --> Customer: Login Successful

Customer -> "Reservation Manager": Make Reservation
"Reservation Manager" -> "Table Manager": Check Table Availability
"Table Manager" -> Database: Query Available Tables
Database --> "Table Manager": Return Available Tables
"Table Manager" --> "Reservation Manager": Available Tables

"Reservation Manager" -> Database: Store Reservation Details
Database --> "Reservation Manager": Reservation Saved
"Reservation Manager" --> Customer: Reservation Confirmed (with ID)
@enduml