I think the question comes down to what is reasonable accommodation. As others have said, allowing you to bring your child to the conference seems reasonable. A

I think the question comes down to what is reasonable accommodation. As others have said, allowing you to bring your child to the conference seems reasonable. As does asking you to step outside when your child becomes a distraction. In the US workforce, there are laws about what constitutes a reasonable accommodation for a disability. If you have a mobility restriction, it’s reasonable to ask for a first floor office, but not that the owner install an elevator.