Psalm 61:1-2 (KJV)
1 Hear my cry, O God; attend unto my prayer. 2 From the end of the earth will I cry unto thee, when my heart is overwhelmed: lead me to the rock that is higher than I.

1 Timothy 2:5 ESV
For there is one God, and there is one mediator between God and men, the man Christ Jesus,

John 15:7 ESV
If you abide in me, and my words abide in you, ask whatever you wish, and it will be done for you.

Mark 11:24 ESV
Therefore I tell you, whatever you ask in prayer, believe that you have received it, and it will be yours.

Romans 8:26-27 (NIV)
26 In the same way, the Spirit helps us in our weakness. We do not know what we ought to pray for, but the Spirit himself intercedes for us through wordless groans. 27 And he who searches our hearts knows the mind of the Spirit, because the Spirit intercedes for God’s people in accordance with the will of God