Parse this person name:

Richard Pottier, 1249-1298, flourished 1270-1288
user
first_name: Richard
last_name: Pottier
middle_names: []
temporal:
- start: 1249
  end: 1298
  type: life_span
- start: 1270
  end: 1288
  type: flourished
titles: []
extra_info: []
assistant