Baby, One More Time by Keris Stainton

Cass has spent a long time trying to get over her first love, Nick. But when they run into each other in the airport and end up on the same flight to New York, the chemistry between them is off the chart. But there is something that Cass is holding back.
Will Cass finally get her revenge on the boy who broke her heart? When they decide that the weekend should be a “freebie”, all bets are off. What happens in New York, stays in New York. But should it?