customer: Hello. 
 agent: Hello. 
 customer: I am Nancy Lopez. 
 agent: How can I aid you? 
 customer: Could you please help me in finding a cheaper flight with in price 200? 
 __ 
 customer: I would start my trip on 06/20 and return on 06/22 as I have an event in between these dates. 
 agent: Please share me your airport codes. 
 customer: My origin is DTW and destination is MSP. 
 agent: Do you need any halt? 
 customer: Yes, I need a break. 
 agent: We found  a UA airline, flight number:1015 and the price is 200. 
 customer: Fine, please proceed. 
 agent: Your flight ticket has been processed. 
 customer: Thanks for your service. 
 agent: Thank you for choosing us.
agent: Sure, We are here to serve you. Can I know your travelling dates?