When she cancels on you and doesn’t give you a specific day that she is available again as an alternative, she isn’t interested in going on another date with you.
Given how good the first date went, leaving so much promise for a great second date, it’s no surprise you are baffled.
This isn’t an unusual phenomenon though.
People go out on dates all the time and have a grand old time, only to never see each other again.
Don’t ever misconstrue a great first date filled with laughter and easygoing conversation as a guarantee that a second date is imminent.
Going to a coffee shop on a first date is a good choice, as it is quiet and laid back, providing the ideal environment to have conversations and hear each other.
A first date mustn’t be too much too soon.
Stick with environments that don’t have major distractions.
Going to loud environments like a nightclub, movie theater or concert on a first date, is a challenging approach for a first date.
Focusing on the person you are with when there are so many people bumping into you at a concert is a challenge.
Given how good the first date went, leaving so much promise for a great second date, it’s no surprise you are baffled. 
A first kiss doesn’t mean anything comes of it. 
A first date mustn’t be too much too soon. 
From time to time, cancellations are warranted due to an unexpected emergency. 
Consider how you feel at this moment and what the implications are.