Parse this person name:

Steven Morris, 1239-1313, flourished 1260-1280
user
first_name: Steven
last_name: Morris
middle_names: []
temporal:
- start: 1239
  end: 1313
  type: life_span
- start: 1260
  end: 1280
  type: flourished
titles: []
extra_info: []
assistant