Parse this person name:

Steven Dunn (1649-1729, flourished 1676-1704)
user
first_name: Steven
last_name: Dunn
middle_names: []
temporal:
- start: 1649
  end: 1729
  type: life_span
- start: 1676
  end: 1704
  type: flourished
titles: []
extra_info: []
assistant