customer: Hello, I am Dennis Davis. 
 agent: Hello, how may I help you? 
 customer: Can you please help me to book a flight ticket from OAK - DCA? 
 agent: Sure, please share your trip dates? 
 customer: My trip dates are 09/21 to 09/23. 
 agent: Do you have any specifications? 
 customer: I need a halt. 
 agent: We found a flight in couple of connections, shall I proceed with Frontier airlines? 
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 agent: Ok, your ticket has been confirmed with flight number 1011. 
 customer: Thank you. 
 agent: Thank you for choosing us.
customer: OK, please proceed to book.