Girls, who ever took a child away from their breast? Mine just cries a…

Girls, who ever took a child away from their breast? Mine just cries and constantly asks for a breast, although there is sometimes let, it still sucks. Milk has become little lately. And at night 2-3 times she asks and cries. At what age should we take them off? We're leaving in a month to go back home, so I'm afraid that she will cry on the plane if I take her off. But on the other hand, she's been feeding all the time with an empty breast ??‍♀️