Parse this person name:

Irmgard Kostolzin (1770-1834, flourished 1792-1804)
user
first_name: Irmgard
last_name: Kostolzin
middle_names: []
temporal:
- start: 1770
  end: 1834
  type: life_span
- start: 1792
  end: 1804
  type: flourished
titles: []
extra_info: []
assistant