British Airways flight asks for push back clearance from terminal. Control tower replies "and where is the worlds most experienced airline going today without filing a flight plan ?Beech Baron: "Uh, ATC, verify you want me to taxi in front of the 747".ATC: "Yup, its okay. He"s not hungry"Student Pilot "I"m lost; I"m over a big lake and heading toward the big E"Controller " make several turns so I can identify you on radar"[Short pause] Controller; "Okay then, that big lake is the Atlantic ocean. Suggest you turn toward the big W immediately"