I'm all set, thanks.
B1I don't need help.
I've got it covered.
B1I can manage it myself.
I can manage.
B1I don't need your help.
No, thank you. I'm fine.
B1I don't need your help, thank you.
That's very kind of you, but I'm okay.
B1Thank you for the offer, but I don't need help.
Don't worry about it.
B1You don't need to help me.
I appreciate the offer.
B1Thank you for offering help.
Thanks for the offer, but I'm good.
B1Thank you for offering help, but I don't need it.
I'm managing fine, thanks.
B1I'm coping well without help.
It's alright, I'll do it.
B1I'll do it myself, don't worry.
I think I can handle it.
B1I believe I can manage without help.
Please don't bother.
B1Please don't trouble yourself to help.
I'm perfectly capable.
B1I'm able to do it myself.
No need, really.
B1I don't require assistance.
I'll be fine on my own.
B1I can manage without your help.
I'm working on it.
B1I'm already dealing with it.
It's under control.
B1The situation is manageable.
Thanks, but I've already started.
B1Thank you, but I've begun working on it already.
I'll let you know if I need help.
B1I'll contact you if I require assistance.
I'm quite capable of doing it myself.
B1I am perfectly able to do it alone.
That's awfully kind, but I'm fine.
B1Thank you very much for offering, but I'm alright.
Let me give you a hand.
B2Allow me to help you.
I'd be happy to help.
B2I'm willing to assist you.
Can I lend a hand?
B2May I assist you?