اللَّهُمَّ بَارِكْ لَهُمْ فِيمَا رَزَقْتَهُمْ، وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ
Allahumma barik lahum fima razaqtahum, waghfir lahum warhamhum
Ya Allah, ka albarkaci masu abin da ka azurta su, ka gafarta musu kuma ka yi musu rahama.
Dua for the host when being a guest
Making dua for those who host you is from the sunnah.