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 Clients ( Customer_Name VARCHAR, Client_ID VARCHAR )
TABLE: CREATE TABLE Bookings ( Customer_ID VARCHAR )

### Question ###
Show the names of all the clients with no booking.

### Accurate SQL ###

SELECT Customer_Name FROM Clients EXCEPT SELECT T2.Customer_Name FROM Bookings AS T1 JOIN Clients AS T2 ON T1.Customer_ID = T2.Client_ID