Parse this person name:

Etta Dalla (1742-1818, flourished 1767-1778)
user
first_name: Etta
last_name: Dalla
middle_names: []
temporal:
- start: 1742
  end: 1818
  type: life_span
- start: 1767
  end: 1778
  type: flourished
titles: []
extra_info: []
assistant