customer: Hello. 
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 customer: Can you please help me to book a flight from DTW to ORD? 
 agent: Sure, let me know your travel dates please? 
 customer: Sure, I want to depart on Apr 17 and need to return on Apr 19. 
 agent: May I know your connection limit? 
 customer: I am looking for a flight with single connection. 
 agent: Do you need any other preference? 
 customer: No. 
 agent: Can I know your name please? 
 customer: Raymond Hernandez here. 
 agent: Sorry to inform you that there are no flight services available on your given dates. 
 customer: Ok, not an issue. Thank you for the information. 
 agent: Thank you for contacting us.
agent: Hello. How may I help you?