Parse this person name:

David Smith (1743-1822, flourished 1766-1781)
user
first_name: David
last_name: Smith
middle_names: []
temporal:
- start: 1743
  end: 1822
  type: life_span
- start: 1766
  end: 1781
  type: flourished
titles: []
extra_info: []
assistant