Parse this person name:

Lucy Klein (1747-1803, flourished 1764-1785)
user
first_name: Lucy
last_name: Klein
middle_names: []
temporal:
- start: 1747
  end: 1803
  type: life_span
- start: 1764
  end: 1785
  type: flourished
titles: []
extra_info: []
assistant