What's wrong with my code?

import sys

# This program is testing if you're part of my family

name = input("What is your name? ")
middle_name = input("What is your middle name, {}? If you don't have one {}, just hit enter! ".format(name, name))
last_name = input("What is your last name, {}? ".format(name))
if len(middle_name) < 1:
  middle_name = " "
elif len(middle_name) > 0:
  middle_name = " " + middle_name + " "

full_name = name + middle_name + last_name

family = ["Mikkel Bielefeldt", "Lene Bielefeldt", "Lærke Bielefeldt", "Morten Bielefeldt", "Jette Bielefeldt", "Søren Bielefeldt", "Rikke Bielefeldt", "Jacob Risgaard", "Josefine Bielefeldt", "Isabella Bielefeldt", "Anne Bielefeldt", "Agnes Bielefeldt", "Janne Aagaard", "John Kirkegård", "Frederikke Aagaard", "Marie-Louise Aagaard Bach", "Poul Aagaard", "Nikolaj Aagaard Balsen Nielsen", "Else Aagaard", "Søren Aagaard"]

# Checks to see if it's me, sister, dad or mom
if full_name == "Mikkel Bielefeldt":
  print("Hey! How funny we're the same person")
elif full_name == "Lene Bielefeldt":
  print("You're my mom!")
elif full_name == "Morten Bielefeldt":
  print("You're my dad!")
elif full_name == "Lærke Bielefeldt":
  print("You're my sister!")

# Checks to see if it's either of my grandparents
elif full_name == "Jette Bielefeldt":
  print("You're my grandmother")
elif full_name == "Søren Bielefeldt":
  print("You're my grandfather")
elif full_name == "Else Aagaard":
  print("You're my grandmother")  
elif full_name == "Søren Aagaard":
  print("You're my grandfather")

# Checks to see if it's my cousins
elif full_name == "Nikolaj Aagaard Balsen Nielsen":
  print("You're my cousin")
elif full_name == "Frederikke Aagaard":
  print("You're my cousin")
elif full_name == "Isabella Bielefeldt":
  print("You're my cousin")
elif full_name == "Josefine Bielefeldt":
  print("You're my cousin")

# Checks to see if you're my aunts or uncles
elif full_name == "Rikke Bielefeldt":
  print("You're my aunt")
elif full_name == "Anne Bielefeldt":
  print("You're my aunt")
elif full_name == "Janne Aagaard":
  print("You're my aunt")
elif full_name == "Marie-Louise Aagaard Bach":
  print("You're my aunt")

elif full_name == "Jacob Risgaard":

  print("You're my uncle")
elif full_name == "John Kirkegård":
  print("You're my uncle")
elif full_name == "Poul Aagaard":
  print("You're my uncle")

# Checks to see if you're my great grandma
elif full_name == "Agnes Bielefeldt":
  print("You're my great grandmother")

else:
  print("I'm sorry, but you can fill out some information, and we'll see what we can do.".format(full_name))


information = input("Do you wanna fill out this information? Y/N: ")

if information.lower() == 'n':
    print("Alright, bye")
    sys.exit
elif information.lower() == 'y':
    print("Alright then! Just fill out the questions below.")
    full_name2 = input("What is your full name? ")
    age = input("How old are you? ")
    gender = input("What is your gender? ")
    phone_number = input("What is your phone number? ")
    print(full_name2 + " " + age + " " + gender + " " + phone_number)