Help can someone figure out the title of this book

[Heather]

This is all I have to go on.

Car Breakdown: The female protagonist has car trouble on the way to a wedding.

Best Man Sent: The best man is dispatched to pick her up.

Stuck at the Resort: They end up stuck together at the wedding resort.

Making Place Cards: A specific scene involves them making place cards together.

Long-Term Crush: The main character has been in love with the best man for a long time.