You are the project manager for a flight-booking service organization (think of Expedia or Kayak) that succeeds in finding the lowest airfares possible for its customers. The problem with airfares is that they are highly dependent on seasonal demand and change without obvious reasons. Unless you are buying tickets right before a trip, future pricing information would be advantageous. You are tasked with finding a solution to predict whether the prices are going to drop or increase in the near or distant future and give this information to customers. What prediction method would you use for this situation