What two conflicts drive the action of play Hello Dolly?

* Dolly Gallagher Levi's mission to find a wife for Horace Vandergelder. Dolly is a matchmaker, and she is determined to find a suitable wife for Horace, a wealthy businessman. She believes that this will make him happier and more successful, and she also sees it as a way to earn a commission.

* Ambrose Kemper, Barnaby Tucker, Minnie Fay and Cornelius Hackl's desire to travel to New York. Ambrose, Barnaby, Minnie, and Cornelius are all employees of Horace Vandergelder's, and they are all eager to travel to New York City. They see this as an opportunity to escape from their mundane lives and experience something new.