reservationist

Example:He tried to cancel his reservation due to unforeseen circumstances.

Definition:To end or terminate an event, appointment, or reservation.

Example:She had to unbook her hotel room as she had changed her travel plans.

Definition:To cancel or void a previously made reservation or booking.

Example:The removal of services from the package caused a considerable customer backlash.

Definition:The act of taking something away or away from a desired location or situation.