Chicken out and bail out.
From Create Your Own Story
For some reason, meeting with this guy makes you feel really uneasy. You're suddenly having an anxiety attack and could not stop trembling. You looked down at your sweaty palms while your knees are knocking together. Finally you decided that there's no way you can go through with this, so you turn to bail out.
"Where are you going?" The middle-age woman at the receptionist desk looked up and inquired.
"Um...bathroom." You lied as you hurried away down the hall. As if you were going to say you changed your mind in the last minute.
