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 operate_company ( id VARCHAR, principal_activities VARCHAR )
TABLE: CREATE TABLE flight ( Id VARCHAR )

### Question ###
List the name of the pilots who have flied for both a company that mainly provide 'Cargo' services and a company that runs 'Catering services' activities.

### Accurate SQL ###

SELECT T2.pilot FROM operate_company AS T1 JOIN flight AS t2 ON T1.Id = T2.company_id WHERE T1.principal_activities = 'Cargo' INTERSECT SELECT T2.pilot FROM operate_company AS T1 JOIN flight AS t2 ON T1.Id = T2.company_id WHERE T1.principal_activities = 'Catering services'