The context of the following conversation is Bailey was going to throw a New Year party.  They fully expected a big turnout.:
Bailey says I am thinking about throwing a New Years party..
The friend responds Oh how fun!.
Bailey responds Yeah I am sure there will be a lot of people..
The friend responds Definitely! Count me in!.
Bailey responds Okay will do. It should be a good time..
The friend responds I am sure that it will..