Dialogue A
A:Hello,Doctor Chen's clinic.May I help you ?
B:Yes,please.I'd like to make an appointment to see Doc. Chen.
A:What's your name,please?
B:My name is Micky Chen.
A:Is four o'clock in the afternoon OK?
B:That's fine.Thank you.

Dialogue B
A:I would like to make a long-distant call to California,please.
Berson to person or station to station?
A:Station to station?
B:What's the number,please?
A:Area code 415789027.
B:One moment,please.
A:Thank you.