Parse this person name:

Isa Ernst (1755-1797, flourished 1776-1790)
user
first_name: Isa
last_name: Ernst
middle_names: []
temporal:
- start: 1755
  end: 1797
  type: life_span
- start: 1776
  end: 1790
  type: flourished
titles: []
extra_info: []
assistant