Help, because I removed daytime feedings, it seems like milk is runnin…

Help, because I removed daytime feedings, it seems like milk is running out. I feed him at night 2-3 times, this night he was capricious, apparently he has very little left and from 2 to 8 am he sucked non-stop, I woke up gave him tea through a bottle and he fell asleep, but he doesn't take a bottle at all during the night, neither formula nor juice, what should I do, how to put him to sleep in a stroller? ? He's leaving for a week soon, during the day he's his mom's tail, I don't need him at all ?and at night he asks but there's none and how to be