Dallas is a city in the state of Texas.
Chase of Grant Ward
Ward approached a young woman, Eliza, and her son Graham and befriended the mother and child, offering to help them with their bags and boarding their bus to Dallas, sitting with Morse, and revealing that he deduced she was a S.H.I.E.L.D. agent. Ward threaten Morse with detonating the explosive vest he was wearing, and abandoned, leaving Morse behind and unable to follow him.
Morse was able to abandon the bus too, and, without further incidents, it finally departed to Dallas.
With the knowledge of the Darkhold Holden Radcliffe and Aida began perfecting the Framework. Upon completion the code had become so powerful that it had to be processed on devices from all around the world. Part of the data was transmitted to a university server in Dallas.