First of all welcome to the forum!
Unfortunately that kind of behavior has skyrocketed because of texting apps and the present buyers market which has empowered guys who hire. Sad but true but in all human activities you'll find flaky guys! You'll have plenty of threads on the subject in the "ask an escort" section. I would suggest you ask for a "last minute cancellation fee", you'll see who's real and who is just being a jerk.
No doubt, unfortunately some folks here can't stop bragging about the cheapest hottest unconventional hire they had. Is like they have some resentment from College times and now they feel they have better cards in their hands. Some threads have become a race to the bottom (real or imaginary) and sometimes I have to keep reminding myself posters are talking about people and not objects.