The function of prayer is not to influence God, but rather to change the nature of one who prays.~Soren Kierkegaard 1813-1855
Kierkegaard key Concepts on Prayer
Transformation over Petition
Subjective Truth
Align with God
An inward Act

Some prayers you might try:
Tell God how your day is.
What have you told God lately that wasn’t a request? God wants to hear from you!