Parse this person name:

Oreste Gravina (1771-1827, flourished 1789-1812)
user
first_name: Oreste
last_name: Gravina
middle_names: []
temporal:
- start: 1771
  end: 1827
  type: life_span
- start: 1789
  end: 1812
  type: flourished
titles: []
extra_info: []
assistant