customer: Hello. 
 agent: Hello, how may I aid you today? 
 customer: Can you aid me to book a flight ticket from DFW to OAK? 
 agent: Sure, could I have your trip dates, please? 
 customer: My trip dates are Oct 31 and Nov 2 respectively. 
 agent: Do you have any preferences? 
 customer: I prefer for connecting flight and my return time should be in the afternoon. 
 agent: On what name, do I need to reserve the ticket? 
 customer: Donald Walker here. 
 agent: We found a connecting flight 1023 from American airlines with a fare 100. 
 customer: Please proceed. 
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 customer: Thank you. 
 agent: Thank you for reaching us.
agent: Your ticket has been confirmed in economy class.