Lunch, an ice cream cone, coffee, etc. Both men and women are normally flattered to be asked for a date. However, neither sex wants to date everyone who asks. Don't let a few singles who decline your offer discourage you from asking again. It will happen.
Men have a thicker skin for rejection that women.
They usually keep asking although many women give up after a few rejections. Thank goodness for those of us who do keep trying. Don't lead someone on by saying you are busy when you aren't or that you will call back when you won't. However, I'm gong to decline because I don't feel we have much in common. Dutch treat is the option of the person who is asked.