Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Albany, New York to Kalamazoo as you normally would.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Albany Intl Airport to Kalamazoo Intl Airport flight would often be abbreviated as a ALB to AZO flight.