Find the names of users who do not have a first notification of loss record.
SELECT customer_name FROM customers EXCEPT SELECT t1.customer_name FROM customers AS t1 JOIN first_notification_of_loss AS t2 ON t1.customer_id  =  t2.customer_id
SELECT customer_name FROM customers EXCEPT SELECT t1.customer_name FROM customers AS t1 JOIN first_notification_of_loss AS t2 ON t1.customer_id  =  t2.customer_id
[{'Customer_name': 'America Jaskolski'}, {'Customer_name': 'Cai Zhang'}, {'Customer_name': 'David Ross'}, {'Customer_name': 'Dayana Robel'}, {'Customer_name': 'Dr. Diana Rath'}, {'Customer_name': 'Miss Felicita Reichel'}, {'Customer_name': 'Mr. Edwardo Blanda I'}, {'Customer_name': 'Mr. Randal Lynch III'}, {'Customer_name': 'Mrs. Hanna Willms'}, {'Customer_name': 'Mrs. Liza Heller V'}]