customer: Hello. 
 agent: Hello. How can I aid you? 
 customer: I have an appointment with my family doctor in DFW. Can you please make a reservation from LAS? 
 agent: Sure, We are here to help you. Can I know your travelling dates? 
 customer: Thank you. My travelling dates are Dec 30 - Jan 1. 
 agent: Do you need any break? 
 customer: Yes, I need a break. 
 agent: May I know your name? 
 customer: I am Janet Martin. 
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 customer: I prefer an normal-cost airline. 
 agent:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport. 
 customer: Ok, no problem. Thank you for the information. 
 agent: Thank you for reaching us.
agent: Is there any other specifications?