Miss Manners: How Long Am I Expected to Wait for Someone to Accept an Invitation?

Miss Manners: How long am I expected to wait for someone to accept an invitation?

DEAR MISS MANNERS: What is the rule on inviting someone to accompany you to a play that’s close to being sold out, and they don’t respond to your invitation in a timely way? I invited a friend to go to a show with a limited run, and mentioned in my invitation that it was almost sold out. I said that I would go ahead and purchase my ticket if I didn’t hear from her; I didn’t set a time limit.

Miss Manners: How long should a person wait for a response to a time-sensitive invitation?

DEAR MISS MANNERS: What is the rule on inviting someone to accompany you to a play that’s close to being sold out, and they don’t respond to your invitation in a timely way?