customer: Hello. 
 agent: Hello, how may I oblige you today? 
 customer: Myself Scott Brown. I want to make my flight reservation to meet my brother at Dallas, can you please help me in booking my flight ticket? 
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 customer: I want to depart on Jan 26th and I will return back on Jan 28th. 
 agent: Could you please share your take off airport code? 
 customer: Sure, I want to travel from DEN to DFW. 
 agent: Ok, please wait for a minute. 
 customer: Sure. 
 agent: Thank you for waiting, there are no flights found from your source. 
 customer: Sad to hear that. Anyway, thank you for the information. 
 agent: Thank you for availing us.
agent: Sure, may I know your travelling dates?