customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from PHL to DCA? 
 agent: May I know your good name? 
 customer: I am Carolyn Smith. 
 agent: Let me know your travelling dates too. 
 customer: I would like to depart on Dec 22nd and return on Dec 24th. 
 agent: Are you fine with connecting flight? 
 customer: I am looking for a connecting flight. 
 agent:  Is there any other requirements for this trip to met with, so that I can find a suitable flight for your journey? 
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 agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions. 
 customer: Ok, not an issue. Anyways, thank you for the information. 
 agent: Welcome Carolyn Smith.
customer: I am looking for a business class ticket.