"Sudden cancellation" refers to something that was planned or scheduled to happen but is unexpectedly called off or stopped abruptly without any prior warning or notice. Full definition
Of course, he could have been lying and cancelling for other sugar babies, and in that case if he really liked you, his schedule will magically have more room and no sudden cancellations. (blog.seekingarrangement.com)
«We are arranging to offer special discounted fares to Tigerair customers impacted by these sudden cancellations this week.» (cnbc.com)
A lot of questions were left unanswered with its sudden cancellation, and the universe holds thousands of possibilities for adventurers. (bullz-eye.com)