Parse this person name:

James Briggs, 1950-2009, flourished 1976-2003
user
first_name: James
last_name: Briggs
middle_names: []
temporal:
- start: 1950
  end: 2009
  type: life_span
- start: 1976
  end: 2003
  type: flourished
titles: []
extra_info: []
assistant