customer: Hello. I am Katherine Hall. 
 agent: Hello, how may I render you for the day? 
 customer: I need a direct flight from DEN to MSP to attend the meeting about my marriage. Could you please help me in doing that? 
 agent: Sure, may I know your travel dates? 
 customer: My travelling dates are 12/25 and return on 12/27. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
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 customer: No problem, I may choose another way. 
 agent: Thank you for contacting us. 
 customer: Thank you for your information.
agent: Sorry, there were no flights found on your route.