With an invitation to a specific date: FIRST question to the person is “do you have major plans for _____ (whenever is your invitation.”
If they have something pretty firm in place (like ‘my son is getting married’ or ‘my spouse just went to the hospital’ then save your invitation! You don’t even need to tell them what you were considering inviting them for.
How to set up a powerful invitation to her for a conversation? About what can really make a difference to her?”
“Sometimes it’s “what if???” This could give you what you want.”