customer: Hello. 
 agent: Hello, how may I aid you today? 
 customer: Can you help me to book a flight ticket from DTW to SEA? 
 agent: Sure, may I know your planned travelling dates? 
 customer: My travelling dates are 18 to 20 of Nov. 
 agent: For further proceeding, may I know your name? 
 customer: I am Susan Clark. 
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 customer: I need a connecting flight. 
 agent: Do you have any other specifications? 
 customer: I would like to return in the evening. 
 agent: Sorry Susan Clark, there is no flight found as per your travelling dates. 
 customer: It's ok, not a problem, thank you. 
 agent: Thank you for reaching us.
agent: May I know your connection limit?