A: hi, mark! Long time no see! B: hi, alex! A: where have you been? B; I just got back from London. A; how was your flight? B; it was OK. There was a lot of turbulence, though. A: that's too bad . how long was the flight? B: it was 10 hours. A; did you have a layover? B: yes, in paris, France. A: did you buy anything in the duty-free stores? B; yes. I bought two boxed of chocolate – one for me and one for you! A: oh, you didn't have to … B: it was nothing.