Would you like me to ----?
I'll ----- , if you'd like
I'll / I'd be happy / glad to ---, if you'd like
Don't worry about it
That's ok / all right
No , really !
Listen !
( OH ) Come on !
for a change
fore once
It's very good of you
It's nice / kind of you to offer
That's ( very ) nice / kind of you
That would be nice ( American )
I appreciate it / that ( American