To book a Delta flight, visit their official website or use the Delta app. Enter your departure and arrival cities, select travel dates, and choose your flight from the options available. Review details, add any extras, and proceed to payment. Confirm your booking, and check your email for the itinerary. https://medium.com/@jennywood045/learn-tips-and-tricks-for-getting-the-best-delta-flight-deals-6db2e48ece33