customer: Hello, I am Eric Taylor. 
 agent: Hello. How can I assist you today? 
 customer: Please make a plane reservation from DEN to PHL. 
 agent: Sure. Do you have any price limit? 
 customer: I can pay up to 1000. 
 agent: Let me know your travelling dates. 
 customer: I would start on 11/01 and return on 11/03 as I have a conference in between these dates. 
 agent: Please, wait. 
 customer: Ok. 
 agent: Thanks for waiting, there is no flights found on your route. 
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 agent: Thank you for availing us.
customer: That's Ok, thanks for the information.