Here i have provided a class diagram of an airline online booking system. What would the use case model look like based of this class diagram? (Actors = customer.....ect.)(Needing Actors and thier functions that go with it) Example is the pictur below but not exactly correct.

Customer Flight Sector torl D Plane nelD Belongs To -CustomerlD -FirstName ame Uses ationlD sengerCount Has 1. -RealTimeArival RealTimeDeparture AirportOngin neCapacity +CheckFuel() umber Reserves ailability -Email -Address CheckAvalablity0 +Maintenance() Verify GateStatus0 -State -Zip -Customerlogin PlanoSector oginVerification) servation( Payment PaymentlD Card Number Card Type -Expiration Date 0..1 PaymentDate Can Have Pays for FlightSchedule FlightSchedulelD Departure Time -Arrival Time AirportOrigin Destination AirlineiD Maintains AirlineName NumberOIPlanes +Check Details() +AirportType) PlaneSchedule Has AirportiD -Name Seat Location TypeOfSeat ber AirportSchedule Has ck Status(0 Customer Flight Sector torl D Plane nelD Belongs To -CustomerlD -FirstName ame Uses ationlD sengerCount Has 1. -RealTimeArival RealTimeDeparture AirportOngin neCapacity +CheckFuel() umber Reserves ailability -Email -Address CheckAvalablity0 +Maintenance() Verify GateStatus0 -State -Zip -Customerlogin PlanoSector oginVerification) servation( Payment PaymentlD Card Number Card Type -Expiration Date 0..1 PaymentDate Can Have Pays for FlightSchedule FlightSchedulelD Departure Time -Arrival Time AirportOrigin Destination AirlineiD Maintains AirlineName NumberOIPlanes +Check Details() +AirportType) PlaneSchedule Has AirportiD -Name Seat Location TypeOfSeat ber AirportSchedule Has ck Status(0