customer: Hi. Matthew Hill here. 
 agent: Hello, how can I assist you today? 
 customer: Can you book a flight ticket for my airport codes that is from SFO to DCA? 
 agent: Sure, On which dates would you like me to book a flight ticket for you? 
 customer: The trip dates are from 29 Oct to 31 Oct. 
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 customer: I prefer a stopover flight. 
 agent: Do you have any other requirements? 
 customer: The depart time would 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: Not a problem. 
 agent: Thank you for choosing us. 
 customer: Thank you.
agent: Let me know your connection limit?