customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you please reserve me a flight ticket from IAD to DTW? 
 agent: Are you fine with connecting flight? 
 customer: Yes, I am ok with connecting flight. 
 agent: Sure, can you please specify me your dates of travel? 
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 agent: May I know your specifications? 
 customer: No more specifications. 
 agent: Let me know your name? 
 customer: Myself Ruth Nelson. 
 agent: Sorry to say, no flight is available for you. 
 customer: That's ok, no problem. Thank you for the information. 
 agent: Thank you for reaching us.
customer: Sure, my travel dates are from May 16 to May 18.