customer: Hello. I am Linda Young. 
 agent: Hello, how can I assist you today? 
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 agent: Sure, we are perky to help you. Let me know your connection limit. 
 customer: Thank you. I am looking for a connecting flight. 
 agent:  In which class would you like me to book your flight ticket? 
 customer: I am ok with any class. 
 agent: On which dates would you like me to book a flight ticket for you? 
 customer: I am planning to travel on Aug 20 and return back on Aug 22. 
 agent: Do you have any other requirements? 
 customer: Yes, my depart time should be evening. 
 agent: Ok, please wait a moment, let me search a flight for you. 
 customer: Sure. 
 agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions. 
 customer: That's fine, thank you for your service. 
 agent: Thank you for choosing us.
customer: I am planning to book a ticket from LAS to ORD. Can you please help me out?