Yunus (As) made dua as follows -

لَا إِلَهَ إِلَّآ أَنتَ سُبْحٰنَكَ إِنِّى كُنْتُ مِنَ الظّٰلِمِينَ

Laa 'ilaaha 'illaa 'Anta subhaanaka 'innee kuntu minadh-dhaalimeen

There is none worthy of worship but You, glory is to You. Surely, I was among the wrongdoers. Whenever Muslim calls (Allah) in this way, Allah responds to his call.

Reference: Sahih (Albani). Tirmidhi: 3505