customer: Hi. 
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 customer: I am Samuel Miller. I am planning to travel from LAS to DFW, can you help in booking a flight? 
 agent: Sure, We are here to help you. How much can you pay for buying your ticket? 
 customer: My budget is only 200. 
 agent: On what dates you want me to book the ticket? 
 customer: My travelling dates are 10/25 to 10/27. 
 agent: Thank you for your details, please hold a moment let me search a flight for you. 
 customer: Ok. 
 agent: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport. 
 customer: That's ok, thank you. 
 agent: Thank you for contacting us.
agent: Hello. How can I aid you?