Don't just say no. Say something like, "yeah we got to get you the rest of your stuff. Unfortunately, today is not a good day as I have xyz I have to get done. How about we do it on_______________."
Me 41 W 33 M 2013 Suspect A 11/15 Confirm A 1/16 She moved out 2/14/16 Stepson 13 Stepson 16