The Prophet (peace and blessings be upon him) said:
"Is there no one who will give charity to this man (a traveller or one praying alone) by praying (in congregation) with him?"
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 2652
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[حم د حب ك] عن أبي سعيد. الإرواء ٥٣٥.