Help me create a use case diagram for this use case:

Use case title: Notify appropriate personnel if a case requires escalation or additional resources

Primary actor: Dispatcher

Level: Primary task

Stakeholders: Dispatchers, Ambulance crews, Medical Staff, Patients

Precondition: The Dispatcher has access to data on the status of cases and the resources available to address them

Minimal guarantee: The Dispatcher identifies cases that require escalation or additional resources and notifies the appropriate personnel

Success guarantee: The appropriate personnel are notified and take appropriate action to address the issue

Trigger: The Dispatcher identifies a case that requires escalation or additional resources

Main success scenario:

Dispatcher identifies a case that requires escalation or additional resources

Dispatcher determines the appropriate personnel to notify, such as a supervisor or medical staff

Dispatcher contacts the appropriate personnel to notify them of the situation and any necessary details

The appropriate personnel take appropriate action to address the issue, such as dispatching additional resources or providing additional medical support

Dispatcher updates the case record with the actions taken and any changes in status

Extensions:

If the appropriate personnel are not available, the Dispatcher may need to escalate the issue further or make alternative arrangements to ensure that the patient receives timely care

If the issue is due to external factors, such as a sudden influx of patients, the Dispatcher may need to coordinate with other organizations or resources to address the issue.