Raise your right hand from her waist to her upper-middle back. This tells her that you want to dip her. Apply a gentle pressure to her back, so she knows that you are ready to support her.
Glance behind your partner to ensure there is enough space for you to dip her.
Widen your stance so your feet are hip-width apart, and bring your right foot forward to support both of you. Lower her gently backward, keeping your spine straight and your back upright to counterbalance her.
Support your partner with the strength of your arm as she raises herself up with her abdominals. Press into the floor with your forward foot for extra stability.