customer: Hi. 
 agent: Hello, how can I help you? 
 customer: Could you please book a flight ticket from PHL to BOS? 
 agent: Sure, may I know the travelling dates? 
 customer: My trip dates are Feb 06 and Feb 08. 
 agent: Do you have any connection limit? 
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 agent: Are there any other requirements? 
 customer: No. 
 agent: May I know your name? 
 customer: I am Angela Garcia. 
 agent: Please wait a minute. 
 customer: Sure. 
 agent: Sorry, no flights found with your preferable dates. 
 customer: No problem, thank you. 
 agent: Thank you for opting us.
customer: I need a connecting flight.