customer: Hi. 
 agent: Hello, how can I aid you today? 
 customer: Could you please help me to book a flight ticket from DEN to PHX? 
 agent: Please provide your journey dates. 
 customer: My journey dates are Apr 03 and Apr 05. 
 agent: Do you need any connection limit? 
 customer: I need a direct flight. 
 agent: Do you have any other specifications? 
 customer: No. 
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 customer: I am Joseph Gonzalez. 
 agent: There are no flights available on your routes. 
 customer: Not a problem, thank you for the information. 
 agent: Thank you for opting us.
agent: May I know your name?