Parse this person name:

Sylvia Barcella, 1779-1839, flourished 1808-1819
user
first_name: Sylvia
last_name: Barcella
middle_names: []
temporal:
- start: 1779
  end: 1839
  type: life_span
- start: 1808
  end: 1819
  type: flourished
titles: []
extra_info: []
assistant