A:Three boxes of your product didn't coincide with your sample last time.
B:I've no idea of what is happening. There hasn't been such a thing with us. Maybe the factory sent the wrong boxes.
A:Here is what differs from your sample.
B:I got it. I am contacting the factory right now.
B:I am sorry and we are responsible for the mistake we will exchange all merchandises that fall short of our sample.
A:We will not get to the bottom since this is the first claim.
B:There won't be such things.