Once she allows you access to HELIOS One, you should be able to start the 'That Lucky Old Sun' mission.

Go to HELIOS One, and the woman should automatically talk to you. This glitch requires a 30 Speech skill level or the 'Confirmed Bachelor' perk and friendly with NCR. You have an unusual name.', do the Speech attempt, ask to talk about something else, and then repeat the process as many times as desired. You have an unusual name.', and each time you say it, you can do the Speech attempt again. Ask him about his name, and then there will be an option for a 30 Speech skill level attempt. You should be able to find him in one of the tents. Go to Camp McCarran, and talk to Sergeant Bitter-Root. This glitch requires a 30 Speech skill level and neutral or friendly with NCR. Maybe not so much on people.' You will get 28 experience points each time you do this, and it can be repeated as many times as desired.

After she answers, choose ' He seemed focused on results. After she answers, choose the 'What do you think of Dr. Choose the 'I have some questions for you.' option followed by the 'What's your role here?' option. Go to Camp McCarran, and talk to Angela Williams in the science lab.

This glitch requires a 25 Speech skill level. You can delete all patches for the game by using the 'Clear hard drive cache' code for the Xbox 360. If you wish to use the glitches, do not download it. Since the game's original release, there has been an Xbox Live update for Fallout: New Vegas that patches some of the glitches, including the 'Easy experience' and 'Infinite caps' type glitches.

Fallout new vegas ncr walkthrough