customer: Hi. 
 agent: Hello. How can I assist you? 
 customer: I am Donna Walker, can you help me to book a flight from DEN on 11/12? 
 agent: Ok, may I know your return details? 
 customer: I would like to return on 11/14 from JFK. 
 agent: Here is a flight with fare 200 and 1010 as flight number. Shall I proceed and reserve this ticket for you? 
 customer: Yes, proceed with booking. 
 __ 
 customer: Thank you. 
 agent: Thank you for reaching us.
agent: Ok, your ticket is confirmed.