customer: Hello. 
 agent: Hello. 
 customer: I am Nancy Brown. 
 agent: How can I help you? 
 customer: I need to book a flight ticket from DC-IAD to CA-OAK. 
 agent: Sure, may I know when you want to travel? 
 customer: Sure, I want to board on 12/03 and 12/05. 
 agent: Ok, do you need any connecting flight? 
 customer: I need a connecting flight. 
 agent: Please stand by. 
 customer: Ok. 
 agent: Thank you for waiting. We found a flight with number 1005 and airline Southwest at a price of 100 with 1 connection. Shall I proceed? 
 customer: You can proceed with booking. 
 agent: Sure, your booking is done. 
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 agent: Thank you for reaching us, have a nice day.
customer: Thank you for your help.