customer: Hello. 
 agent: Hello, how may I aid you today from my end? 
 customer: I am looking for a flight from HOU to DEN, can you please help me in booking? 
 agent: Sure, I am here to help you out. Please provide me your trip dates. 
 customer: My travelling dates are Apr 21 and Apr 23. 
 agent: May I know your name to proceed further? 
 customer: Sure, my name is Sharon Moore. 
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 customer: I need a connecting flight. 
 agent: May I know your time specifications in journey? 
 customer: I want to depart in afternoon. 
 agent: Sorry  Sharon Moore, there is no flight in your route as per your request. 
 customer: That's ok, no problem. Anyway thank you for checking. 
 agent: Thank you for reaching us.
agent: Do you have connection limit?