B: do you wish to fly first-class, business or economy?

A: economy.

B:date of the departure?

A:July fourth.

Bk, your book on flight NO.CX167. is depart at 11:15am.

dialogB

A: Japan airline, can i help you?/ what can i do for you?/can i be of any help?

B: yes, i'm Mr.peter lai, i'd like to reserve a round-trip ticket to Paris,pls.

A: which class and for when?

B: bussiness class for this sunday.

A: one moment pls.ok. i book you on flight NO.007 and  it departs at 5:30pm. 

    pls call back  on friday to reconfirm .

B: ok.

A: your confirmation code number  is XE3849.

B:thank you.

part2

1. do you wish to fly first-class, business, or economy?

   i wish to study abroad.

2. date of departure?

   if you tell me your date of birth, i know how old you are.

   you look old/young for your age.

   my birthday is on december twenty-fifth.

  3. it departs at 11:50 am.

     the train depart for nanjing on  schedule.