Parse this person name:

Valerie Lutz (1246-1323, flourished 1276-1286)
user
first_name: Valerie
last_name: Lutz
middle_names: []
temporal:
- start: 1246
  end: 1323
  type: life_span
- start: 1276
  end: 1286
  type: flourished
titles: []
extra_info: []
assistant