When it comes to prayer, it is actually quite useless to pray for what you want or need. Even to thank God or ask for forgiveness, makes not much sense at all. Why? Because God in all His omniscient almightiness, already knows what you want and need, what is important to you, that you are thankful and (or) in search of forgiveness. He already gives it to you, with added unconditional love, you just need to be able and willing to receive it.
So prayer, essentially, is nothing but awareness. In your prayers you make yourself, rather than God, aware of what you want, need, wish and (or) hope for, what is important to you, that you are thankful, that you’re asking for forgiveness. After you have made yourself aware, then is when you can recognize the gift that God already places in your heart, because He already saw and granted you that which you didn’t have the words to ask for.