Catcher in the Rye chapter 17

Holden goes to meet his date sally at 2 but she arrives late. They take a taxi to the theatre and begin kissing. Sally begins flirting with someone and irritates Holden but still takes her to go ice skating. Holden starts thinking to himself that she only wanted to go ice skating to wear a short skirt to show off her butt. They begin to talk and Holden says they should run away together but Sally thinks its stupid and ridiculous which agitates Holden making him call Sally names and leaves without her.