customer: Hi. I am Linda Hall. 
 agent: Hello, how may I help you? 
 customer: I would like to book a flight ticket to attend international conference about religious festivals from Boston, MA - BOS. Can you book a flight ticket on 07/04? 
 agent: Sure, may I know your source code? 
 customer: Chicago, IL - ORD is my boarding airport. 
 agent: Ok, do you need any connection in between? 
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 agent: Could you please share when you want to return? 
 customer: I want to return on 07/06. 
 agent: Ok, please stand by. 
 customer: OK. 
 agent: Thanks for your time, sorry no flights found with your details. 
 customer: Ok, not a problem. Thanks for the information. 
 agent: Thank you for reaching us, have a nice day.
customer: Yes, I need one connection.