customer: Hi. 
 agent: Hello. In which way I can help you at this moment? 
 customer: I need to buy a plane ticket from PHL to OAK. Please help me in that. 
 agent: Sure, I will help you with that. Could you please mention your preferable travel dates? 
 customer: My trip dates are from Aug, 20 to Aug, 22. 
 agent: May I know your name for further process? 
 customer: Anna Robinson. 
 agent: Do you prefer either an economy or business class? 
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 agent: Do you need any specific depart and arrival time for this trip? 
 customer: No. 
 agent: Do you have any another specifications? 
 customer: I need a single connecting flight. 
 agent: Ok, please hold on a moment. 
 customer: Ok. 
 agent: Spirit airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight? 
 customer: Please proceed. 
 agent: Your flight ticket is booked successfully, flight number is 1016. 
 customer: Thank you for booking. 
 agent: You are welcome Anna Robinson.
customer: I am comfortable with any class.