Increase your constitution score by 2 & increase your charisma score by 2.

Young dragonborn grow quickly. They walk hours after hatching, attain the size and development of a 10-year-old human child by the age of 3, and reach adulthood by 15. They live to be around 80.

Dragonborn tend to extremes, making a conscious choice for one side or the other in the cosmic war between good and evil (represented by Bahamut and Tiamat, respectively). Most dragonborn are good, but those who side with Tiamat can be terrible villains.

Dragonborn are taller and heavier than humans, standing well over 6 feet tall and averaging almost 250 pounds. Your size is Medium.

Your base walking speed is 30 feet.

Superior Darkvision
Accustomed to life underground, you have superior vision in dark and dim conditions. You can see in dim light within 120 feet of you as if it were bright light, and in darkness as if it were dim light. 

Flight
You gain access to a flight speed of 60ft. To use this speed, you can’t be wearing heavy armor.

Due to your long forgotten chromatic draconic heritage. You have Immunity to Psychic damage.

When you use your breath weapon, each creature within a 5 by 30ft Line, must make a Intelligence saving throw, that deals psychic damage.
The DC for this save equals 8 + your constitution modifier + your proficiency bonus. A creature takes 2d6 damage on a failed save, and half as much damage on a successful one. The damage increases to 3d6 at 6th level, 4d6 at 11th level, and 5d6 at 16th level. After you use your breath weapon, you can’t use it again until you complete a short or long rest.

You can speak, read & write Common, Draconic & Undercommon.