Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:

Convert text to sql: Show the name and phone of the customer without any mailshot. | premises : premise_id , premises_type , premise_details | products : product_id , product_category , product_name | customers : customer_id , payment_method , customer_name , customer_phone , customer_email , customer_address , customer_login , customer_password | mailshot_campaigns : mailshot_id , product_category , mailshot_name , mailshot_start_date , mailshot_end_date | customer_addresses : customer_id , premise_id , date_address_from , address_type_code , date_address_to | customer_orders : order_id , customer_id , order_status_code , shipping_method_code , order_placed_datetime , order_delivered_datetime , order_shipping_charges | mailshot_customers : mailshot_id , customer_id , outcome_code , mailshot_customer_date | order_items : item_id , order_item_status_code , order_id , product_id , item_status_code , item_delivered_datetime , item_order_quantity | customer_addresses.customer_id = customers.customer_id | customer_addresses.premise_id = premises.premise_id | customer_orders.customer_id = customers.customer_id | mailshot_customers.mailshot_id = mailshot_campaigns.mailshot_id | mailshot_customers.customer_id = customers.customer_id | order_items.order_id = customer_orders.order_id | order_items.product_id = products.product_id | 

### Response:

select _ from _ where _ not in ( select _ from _ ) | select customer_name , customer_phone from customers where customer_id not in ( select customer_id from mailshot_customers )