customer: Hello. 
 agent: Hello. How can I aid you today? 
 customer: I need you to book a flight ticket. 
 agent: Sure. Could you please mention your preferable travel dates? 
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 agent: May I know your preferable airport code names? 
 customer: OAK and PHX are my in and out airport codes. 
 agent: Are you ok with connecting flight or you need a direct flight? 
 customer: I need a connecting flight. 
 agent: Do you have any preferences regarding timings of your journey? 
 customer: I am good to fly at any time. 
 agent: Do you have any another specifications? 
 customer: I wish to fly in a normal-cost Airlines. 
 agent: Ok, please hold on a moment. 
 customer: Sure, I will wait. 
 agent: UA airline flight available with connection limit 1 and fare is 300, shall I confirm this economy class flight? 
 customer: Please book the ticket. 
 agent: May I know your name for further process? 
 customer: I am Christine Martin. 
 agent: Your flight ticket is booked successfully, flight number is 1021. 
 customer: Thank you for the help. 
 agent: You are welcome Christine Martin.
customer: May 13 and 15 are my planned travel dates.