He went out to the field to daven. When he looked up, the camels were coming.
וַיֵּצֵא יִצְחָק לָשׂוּחַ בַּשָּׂדֶה לִפְנוֹת עָרֶב וַיִּשָּׂא עֵינָיו וַיַּרְא וְהִנֵּה גְמַלִּים בָּאִים׃
בראשית כד:סג
"Yitzchak went out to pray in the field toward evening. He lifted his eyes and looked, and camels were coming."
Bereishis 24:63
She asked who the man was. When she heard, she covered herself.
וַתֹּאמֶר אֶל הָעֶבֶד מִי הָאִישׁ הַלָּזֶה הַהֹלֵךְ בַּשָּׂדֶה לִקְרָאתֵנוּ וַיֹּאמֶר הָעֶבֶד הוּא אֲדֹנִי וַתִּקַּח הַצָּעִיף וַתִּתְכָּס׃
בראשית כד:סה
"She said to the servant, 'Who is that man walking in the field toward us?' The servant said, 'He is my master.' She took the veil and covered herself."
Bereishis 24:65
He brought her into his mother's tent. Rashi says the lamp Sarah lit every Friday burned again.
וַיְבִאֶהָ יִצְחָק הָאֹהֱלָה שָׂרָה אִמּוֹ וַיִּקַּח אֶת רִבְקָה וַתְּהִי לוֹ לְאִשָּׁה וַיֶּאֱהָבֶהָ וַיִּנָּחֵם יִצְחָק אַחֲרֵי אִמּוֹ׃
בראשית כד:סז
"Yitzchak brought her into the tent of Sarah his mother. He took Rivka, she became his wife, and he loved her. And Yitzchak was comforted after his mother."
Bereishis 24:67