customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am Ronald Carter. I am planning to watch sports live events in Detroit, can you help me in booking a flight ticket within a price limit of 500? 
 agent: Sure, can I know your travelling dates? 
 customer: I will start on 12/26, return on 12/28. 
 agent: Ok, please help me with origin and destination airport codes? 
 customer: My source and destination airport codes are DC - DCA, MI - DTW. 
 agent: Delta airline is available with single connection and fare is 100. Shall I proceed? 
 customer: You can proceed to booking. 
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 customer: Thank you. 
 agent: Thank you for reaching us.
agent: Your ticket is booked with 1002 flight number in economy class.