customer: Hello. 
 agent: Hello, how can I guide you for today? 
 customer: My name is Barbara Clark. I want to book a flight from DCA to SEA, can you please assist me in that? 
 agent: Can you please share on what dates you are willing to travel? 
 customer: I will start on Feb 26th and will return back on Feb 28th. 
 agent: Do you have any airline preferences? 
 customer: I am looking for a normal-cost airline. 
 agent: Do you have any class preferences? 
 customer: No, I don't have. 
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 customer: I want to depart in the evening and return in the afternoon. 
 agent: There is a flight with ticket fare 200 in AA airlines with a stopover in economy class. Is it ok for you? 
 customer: Please proceed with the booking. 
 agent: Your booking is confirmed with flight number 1012. Departure time is 2:00 AM and arrival time is 19:00 PM. 
 customer: Thank you for your help with the booking. 
 agent: Thank you for contacting us, have a nice day.
agent: Do you have any other requirements that you are looking for?