While importing data using flat file, you can use any existing table or can also create a new table in any of schema in database.
You can create a new table in any of existing schema and also define table type in next window.
Under target table, you can mention if you want to use an existing table or create a new table. Select Schema name from drop down list and enter the table name. Once you click on Next button, in next window you can select table type.