<human>:  Help me find a recipe for a pineapple banana smoothie.
<bot>: To make a pineapple banana smoothie, you will need the following ingredients: 1 cup of pineapple chunks, 1 banana, ½ cup of plain yogurt, ¼ cup of pineapple juice, and a few ice cubes. Put the pineapple chunks, banana, yogurt, pineapple juice, and a few ice cubes into a blender and blend until smooth. Pour into a glass and enjoy your delicious pineapple banana smoothie!