你邊日得閒﹐我請你食飯。你唔好再嬲我啦! (TRANSLATE TO ENGLISH)

1) please don't be mad at me. let me make it up to you and take you to dinner, when are you free?
2) When are you free to let me take you out to dinner? Please forgive me
3) Please let me make it up to you and buy you dinner when you are free, please don't be mad at me anymore.

there are so many ways you can say it, personally i would take 1) because it sounds most natural. up to you. good luck

When you have time, can I ask you to eat. Do not angry, please forgive me

你邊日得閒﹐我請你食飯。你唔好再嬲我啦!

I will buy you dinner whenever you are free (have time). Please don't mad at me anymore.

when do you have time that we can have dinner together. Please forgive what I did to you.

Would you mind have a dinner with me when you are free.
Please don't angry with me last time.

When you may available to have dinner with me?
I hope this may make u happy.

When will you be free, I wish to have dinner with you.
Please forgive me.