The context of the following conversation is Cameron told Jesse's friends about his plan to set a surprise part for Jesse's birthday on Saturday.:
Cameron says I have a big surprise for Jesse!.
The friend responds The birthday party, right?.
Cameron responds Yes you have to come, we are planning to take Jesse to a theme park and buying a big cake after..
The friend responds Okay, I hope the surprise works.
Cameron responds Jesse has no idea..
The friend responds I'm thrilled to be a part of it..