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'
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.
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 '
select t2 . pilot from operate_company as t1 join flight as t2 on t1 . id = t2 . company_id where t1 . principal_activities = value intersect select t2 . pilot from operate_company as t1 join flight as t2 on t1 . id = t2 . company_id where t1 . principal_activities = value
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 .