customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you guide me in booking my flight ticket from BOS to ORD? 
 agent: Sure, let me know your trip dates please? 
 customer: My trip dates will be Dec 9th to Dec 11th. 
 agent: May I know your connection limit? 
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 agent: Do you need any other preference? 
 customer: I prefer a normal cost airline. 
 agent: Can I know your name please? 
 customer: My name is Samuel Young. 
 agent: Sorry to inform you that there are no flight services available on your given details. 
 customer: No problem, I will search other alternative. Thank you for your effort. 
 agent: Thanks for contacting us.
customer: I prefer a connecting flight.