Parse this person name:

Ben Schmiedt (1311-1354, flourished 1331-1349)
user
first_name: Ben
last_name: Schmiedt
middle_names: []
temporal:
- start: 1311
  end: 1354
  type: life_span
- start: 1331
  end: 1349
  type: flourished
titles: []
extra_info: []
assistant