Read the following article to know what is needed for performance problems:

http://www.sqlservercentral.com/articles/SQLServerCentral/66909/

Your view uses functions on your joins. Remove them as they're not useful at all as demonstrated in the following query.

SELECT 1

WHERE 'a' = 'a '

Why are you converting your date columns? Aren't they some kind of date/time data type?

Are you aware on what the NOLOCK hint does? Are your users aware that they can get inconsistent results? Are they fine with that? Do you know that it's not a go-fast option?

http://blogs.msdn.com/b/davidlean/archive/2009/04/06/sql-server-nolock-hint-other-poor-ideas.aspx

http://www.jasonstrate.com/2012/06/the-side-effect-of-nolock/

http://sqlblogcasts.com/blogs/tonyrogerson/archive/2006/11/10/1280.aspx