Texas Carnival (1951)

Cornie and Debbie work at a carnival's dunk tank. One day, an inebriated Texan comes to the booth he and Cornie start drinking. The Texan invites him to a function where Cornie is mistaken for the Texan and Debbie for the man's sister. Cornie loses a wager and doesn't know how he's going to pay it. Meanwhile, Debbie finds herself attracted to the Texan's foreman.