An argument between two friends brings about the end of their relationship.

I had an argument with my wife, ending our marriage. ~ You'd you read this script?
Go with as Songo said.

All the best.

Where is the dramatic conflict?
Two friends argue, their friendship ends, problem solved. (Not a great solution to be sure but a solution none the less)

Too vague, add more details i.e main character's flaw and what the argument is about