@startuml
autonumber
actor "Nurse" as nur

activate nur
nur -> ":System" : asks to consult the users in the waiting room of a vaccination center
activate ":System"
":System" --> nur : requests which vaccination center the nurse is working in
deactivate ":System"

nur -> ":System" : types requested data
activate ":System"
":System" --> nur : shows list of users in the waiting room of chosen vaccination center
deactivate ":System"

deactivate nur

@enduml