Here is a good "No" response

I’m constantly getting bombarded with questions or features that we just don’t have.  I have a really hard time figuring out what to say to these people…. until now! I’m using wufoo for a side project and they just sent me the perfect “No” response back. It is now a canned message of mine.

Hi Rishi, 

Unfortunately, we don’t have a way of doing that. It’s a good idea, though, and we may look at adding something like that when we go over the available field types again.

Sorry for the bad news. If you have any other questions, please let me know.

Andrew