Parse this person name:

Elmo Gadda (1787-1846, flourished 1804-1814)
user
first_name: Elmo
last_name: Gadda
middle_names: []
temporal:
- start: 1787
  end: 1846
  type: life_span
- start: 1804
  end: 1814
  type: flourished
titles: []
extra_info: []
assistant