Finish the following sentence with the best choice: How can you save 100 dollars on an Airplane flight?

Choices:
- Book your vacation during the month of your birthday and you'll get a hundred dollars added to the trip with Delta.
- Book your vacation during the month of your birthday and you'll get a hundred dollars off the trip with Delta.

Answer:
Book your vacation during the month of your birthday and you'll get a hundred dollars off the trip with Delta.