Jesus experienced the silence of God in his own ears. And the Father was silent. No angels to bring God's answer. Not even His disciples stood with Him. There was only the thick, awful silence of God's judgment against us, laid on Jesus.
Great faith is persistent.
The woman enlists the help of the disciples. She has others pray on her behalf. I don't agree with the spin of the translation in our bulletin, which makes it sound as if the disciples were trying to get rid of her. The disciples pray for her and with her. We ask others to pray for us.