Parse this person name:

Jennifer Miller, 1248-1301, flourished 1271-1294
user
first_name: Jennifer
last_name: Miller
middle_names: []
temporal:
- start: 1248
  end: 1301
  type: life_span
- start: 1271
  end: 1294
  type: flourished
titles: []
extra_info: []
assistant