Parse this person name:

Michael Smith (1239-1300, flourished 1261-1283)
user
first_name: Michael
last_name: Smith
middle_names: []
temporal:
- start: 1239
  end: 1300
  type: life_span
- start: 1261
  end: 1283
  type: flourished
titles: []
extra_info: []
assistant