Parse this person name:

Constance Klein, 1737-1792, flourished 1764-1780
user
first_name: Constance
last_name: Klein
middle_names: []
temporal:
- start: 1737
  end: 1792
  type: life_span
- start: 1764
  end: 1780
  type: flourished
titles: []
extra_info: []
assistant