Parse this person name:

Rainer Klemt, 1354-1428, flourished 1376-1394
user
first_name: Rainer
last_name: Klemt
middle_names: []
temporal:
- start: 1354
  end: 1428
  type: life_span
- start: 1376
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant