You like the first of three room-hire offers: the organiser sounds helpful and the price looks fair. Before booking, you still need to check the room, date, access and total cost against the same requirements as the other offers. A favourable impression is a starting point, not a completed comparison.
This course helps you compare options before committing to a choice. Keep the evidence, unknowns and reasons visible; a few notes can help when the decision has several moving parts.
Psychologists often distinguish automatic processing from deliberate reasoning, popularly called System 1 and System 2. These are models of thinking, not two literal brain compartments or a guarantee that slow thought is correct.