customer: Hello, Betty Lopez here. 
 agent: Hello. How may I help you? 
 customer: I am a dental doctor, I need to travel to LAX to attend a seminar. 
 agent: Sure Lopez, May I know your source code? 
 customer: Could you book a ticket from DEN? 
 agent: Please provide me your travelling dates. 
 __ 
 agent: Ok, wait a moment. 
 customer: Sure. 
 agent: There is a flight available for you with flight number 1011. Shall I proceed to book a flight? 
 customer: Please book my ticket. 
 agent: Your ticket is confirmed. 
 customer: Thank you for helping me. 
 agent: Welcome, have a safe journey.
customer: I am leaving on 12/29 and returning on 12/31.