Parse this person name:

Stephen Perez, 1728-1804, flourished 1747-1757
user
first_name: Stephen
last_name: Perez
middle_names: []
temporal:
- start: 1728
  end: 1804
  type: life_span
- start: 1747
  end: 1757
  type: flourished
titles: []
extra_info: []
assistant