customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Can you help me to book a connecting flight from DEN? 
 agent: Sure, can I know your travelling dates? 
 customer: My travelling dates are 02/25 and 02/27. 
 agent: On which name should I reserve the flight ticket? 
 customer: Please book under this name, Alexander Mitchell. 
 agent: Do you have any connection limit? 
 customer: I want a connecting flight. 
 agent: Please let me know your destination airport code. 
 customer: I prefer business class to visit PHX. 
 agent: Do you have any other specifications? 
 customer: I want to depart at evening. 
 agent: Sorry, there are no flights found on given dates. 
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 agent: Thank you for reaching us.
customer: No issues, thank you for your time.