Parse this person name:

Dustin Butler, 1208-1262, flourished 1231-1254
user
first_name: Dustin
last_name: Butler
middle_names: []
temporal:
- start: 1208
  end: 1262
  type: life_span
- start: 1231
  end: 1254
  type: flourished
titles: []
extra_info: []
assistant