By Mistake Over-Booked Parents Visiting Visa Stay by 3 days - Will it be a problem ?

[rohitreddi]

My parents are coming on visiting visa to USA, by mistake I have over booked there stay for 3 days instead of 180 days they return flight is on 183 day. Will it be any problem at port of entry ? I guess I need to apply extension for there extra 3 days stay once there are here or else I can do it before a head of time. 

Thank in advance for the suggestions. 

[pontevecchio]

There will be no problem at POE. Their stay is based on the I94 duration given to them. You should change their tickets to leave before the I94 expires.