Prayer is spiritual communication between man and God, a two-way relationship in which man should not only talk to God but also listen to Him. Prayer to God is like a child's conversation with his father. It is natural for a child to ask his father for the things he needs.

There are many promises in God's Word to encourage us to pray, such as: "He shall call upon me and I will answer him: I will be with him in trouble; I will deliver him, and honor him" (Psalm 91:15); "And it shall come to pass that before they call, I will answer; and while they are yet speaking, I will hear" (Isaiah 65:24); "Ask and it will be given to you; seek and you will find; knock and the door will be opened to you" (Matthew 7:7). The Scriptures tell us that we are to pray for one another and also assure us that God hears and answers prayer.

When you receive Christ into your heart, you become a child of God and have the privilege of talking to Him in prayer at any time about anything. The Christian life is a personal relationship to God through Jesus Christ. And best of all, it is a relationship that will last for all eternity.

Reference...