Draw a simple use case diagram and functional requirements for hospital receptionist

subsystem or module supports some of the many job duties of hospital receptionist. Receptionist schedules patient's appointments and admission to the hospital, collects information from patient upon patient's arrival and/or by phone. For the patient that will stay in the hospital ("inpatient") she or he should have a bed allotted in a ward. Receptionists might also receive patient's payments, record them in a database and provide receipts, file insurance claims and medical reports.

1- Write the list of functions required in the above subsystem?

2- Draw a simple use case diagram 

Notice: 

1- You can use any of the following software

 https://en.wikipedia.org/wiki/List_of_Unified_Modeling_Language_tools

2- You can come to my office hours or use YouTube  For help 

https://www.youtube.com/watch?v=zid-MVo7M-E