Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Accounts ( customer_id VARCHAR )
TABLE: CREATE TABLE Customers ( customer_first_name VARCHAR, customer_last_name VARCHAR, customer_id VARCHAR )

### Question ###
Show the first names and last names of customers without any account.

### Accurate SQL ###

SELECT customer_first_name, customer_last_name FROM Customers EXCEPT SELECT T1.customer_first_name, T1.customer_last_name FROM Customers AS T1 JOIN Accounts AS T2 ON T1.customer_id = T2.customer_id