customer: Hello, I am James Brown. 
 agent: Hello, how can I help you today? 
 customer: My son is giving a performance in an International competition at CO - DEN. Can you help me out with booking from NV - LAS. 
 agent: Sure, please help me with your travelling dates? 
 customer: I will leave on 04/04 and return on 04/06. 
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 customer: Yes, I need a halt. 
 agent: Ok, please hold on a moment. 
 customer: Ok. 
 agent: Thanks for waiting, no flights found with your requested details. 
 customer: It's Ok. 
 agent: Thank you for choosing us. 
 customer: Thanks for the information.
agent: Ok, any connection limit?