Parse this person name:

Richard Miller (1276-1353, flourished 1297-1321)
user
first_name: Richard
last_name: Miller
middle_names: []
temporal:
- start: 1276
  end: 1353
  type: life_span
- start: 1297
  end: 1321
  type: flourished
titles: []
extra_info: []
assistant