The scholars have mentioned that if you find yourself in any of the situations below, it is ideal for your dua to be accepted.

A person who has been wronged or oppressed.

A person who is going through a severe difficulty after a calamity.

A person who is traveling.

A person who is fasting.

A woman in labor.

A person who is reciting or finished reciting the Quran.

A person who is performing Hajj or Umrah.

A person who makes dua for someone in their absence (when you make dua for someone in their absence, an angel says, "Ameen and to you").

A person who is in a state of remembrance of Allah frequently.

No request better than for wellness in this world and the Hereafter

اللَّهُمَّ إِنِّي أَسْأَلُكَ الْمُعَافَاةَ فِي الدُّنْيَا وَالْآخِرَةِ

O Allah, I ask You for wellness in the world and in the Hereafter.

Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “No supplication a servant can say is better than this: O Allah, I ask You for wellness in the world and in the Hereafter.”

Source: Sunan Ibn Mājah 3851

he said to him: describe to me the bliss/pleasure of jannah

"Perhaps the misfortune that you do not like, leads you to a beautiful destiny that you never dreamed of."