Parse this person name:

Ben Salz, 1272-1349, flourished 1296-1322
user
first_name: Ben
last_name: Salz
middle_names: []
temporal:
- start: 1272
  end: 1349
  type: life_span
- start: 1296
  end: 1322
  type: flourished
titles: []
extra_info: []
assistant