Parse this person name:

Elizabeth Summers (1728-1793, flourished 1744-1760)
user
first_name: Elizabeth
last_name: Summers
middle_names: []
temporal:
- start: 1728
  end: 1793
  type: life_span
- start: 1744
  end: 1760
  type: flourished
titles: []
extra_info: []
assistant