customer: Hello. Kathleen Wright here. 
 agent: Hello, how can I render you today? 
 customer: I have to attend a seminar in my office. Could you please help me to book a ticket from DCA to DEN? 
 agent: Sure, I will help you. Please share your dates of travel? 
 customer: My travelling dates will be on 12/11 to 12/13. 
 agent: Do you prefer any connection in between your journey? 
 customer: I need a connecting flight. 
 agent: Ok, please wait a minute. 
 customer: Ok. 
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 customer: You can proceed to booking. 
 agent: Your booking has been confirmed. 
 customer: Thank you. 
 agent: Thank you for contacting us.
agent: We found an airline AA with flight 1019 having a fare 300 with halt. Shall I proceed to book?