cancellation, annulment, nullification, recall, revocation

reservation, booking / appointment; an arrangement for a meeting / subscription

reserve / make an appointment / subscribe

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

reserved word

pre-order sale; sale of something in advance of its release to the market

everything

(colloquial) current boyfriend