1 – I can’t give you an answer right now; would you check back with me?
2 – I want to, but I’m unable to.
3 – I am not able to commit to that right now.
4 – I really appreciate you asking me, but I can’t do it.
5 – I understand that you really need my help, but I’m just not able to say yes to that. I’m so sorry.
6 – I’m going to say no for now. I’ll let you know if something changes.
7 – I’m honored that you would ask me, but my answer is “no”.
8 – No, I can’t do that … but, here’s what I can do.
9 – I just don’t have that to give right now.