Struggling to keep up

I am struggling to get things done at work. They have been working on a giftshop that is attached to my office for 2 weeks now, which means that people have been stopping by desk and talking and it's been consistently loud and disruptive. I'm now so far behind, I don't know how to move forward. I felt the need to kill two of my co-workers because they decided to make my office the fun zone today.  

Dave from coaching from leaders sends out an email every Wednesday this was this week's: 

I wish that this article would help. It doesn't. Not at all. I don't know how to make it better, I don't know how to get everything done that needs to be done. I don't know how to keep all the details and things straight. I don't know how to build good relationships with 300 people a year. 

People do this job. They can do really well at it. I am sure I can do much better at it as well, but I just don't know how to get there. How can I be this person who can accomplish so much and still have time to have fun and encourage people at work. 

I wish I was doing better, I hate it when I'm a mess