Parse this person name:

Michael Roberson (1261-1312, flourished 1278-1305)
user
first_name: Michael
last_name: Roberson
middle_names: []
temporal:
- start: 1261
  end: 1312
  type: life_span
- start: 1278
  end: 1305
  type: flourished
titles: []
extra_info: []
assistant