customer: Hello. I am David Jones. 
 agent: Hello, how can I serve you today? 
 customer: I am invited for the inauguration of sports event at Detroit, MI-DTW. Could you please help me with booking a flight ticket? 
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 customer: Sure, I intend to fly from MN-MSP. 
 agent: OK, help me with your journey dates. 
 customer: sure, my departure is on 02/15 and arrival is on 02/17. 
 agent: Ok, do you have any other specifications? 
 customer: I need a connecting flight. 
 agent: Ok, we found a flight in AA airline with a fare of 100 and the flight number is 1006. Shall I proceed with booking? 
 customer: Yes, please proceed. 
 agent: Your ticket has been confirmed with single connection. 
 customer: Thank you for your kind service.
agent: Ok, may I know your source airport code?