Parse this person name:

Ben Kalman (1222-1279, flourished 1252-1264)
user
first_name: Ben
last_name: Kalman
middle_names: []
temporal:
- start: 1222
  end: 1279
  type: life_span
- start: 1252
  end: 1264
  type: flourished
titles: []
extra_info: []
assistant