Authentic Supplication Number 124.

‘Anas  said: The Messenger of Allah  said: If one of you petitions then let him resolve the matter, and let him not say O’ my ‘ilah if you will then grant me; for there is none that compels Him”.

Reporters.
‘Al-`Adawee said it was sound, and that it was reported by Al-Bukhari, page 139 of volume 11 of Fath Al-Baree; Muslim, page 6 of volume 17; and At-Tirmithi, page 470 of volume 9 of Tuhfah. At-Tirmithi said it was comely-sound.