customer: Hello, I am Kevin Lee. 
 agent: Hello, how may I aid you? 
 customer: I want to attend my sister's baby shower program, can you please book a ticket from Boston? 
 agent: Sure, please share your travelling dates? 
 customer: Journey starts from 05/15 to 05/17. 
 agent: May I know your source and destination? 
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 agent: Do you have any other specifications? 
 customer: I need connecting flight. Price limit: 200. 
 agent: Thanks for providing your details, no flights found with your requested details. 
 customer: Ok. Thank you. 
 agent: Thanks for opting us.
customer: Source: LAX, Destination: BOS.