customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Can you help me to book a connecting flight ticket? 
 agent: Sure, I am glad to help you in booking. Can you please share your travelling airport codes? 
 customer: My airport codes are PHL and MSP. 
 agent: On which dates you want me to book your tickets? 
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 agent: Ok, may I know your name? 
 customer: My name is Jonathan Anderson. 
 agent: Do you have any specification? 
 customer: I would like to return back in the afternoon time. 
 agent: Sorry, no flights are available on your preferable travel dates. 
 customer: No problem, thank you for the information. 
 agent: Thank you for reaching us, have a nice day.
customer: My travel dates are Nov 21 and Nov 23.