Parse this person name:

Crystal King (1818-1859, flourished 1843-1854)
user
first_name: Crystal
last_name: King
middle_names: []
temporal:
- start: 1818
  end: 1859
  type: life_span
- start: 1843
  end: 1854
  type: flourished
titles: []
extra_info: []
assistant