Parse this person name:

Ulf Bähr, 1322-1398, flourished 1340-1358
user
first_name: Ulf
last_name: Bähr
middle_names: []
temporal:
- start: 1322
  end: 1398
  type: life_span
- start: 1340
  end: 1358
  type: flourished
titles: []
extra_info: []
assistant