customer: Hello. 
 agent: Hello. 
 customer: I am Shirley Nelson. 
 agent: How can I help you today? 
 customer: I am planning for a trip from ORD to IAH, can you help me to book a flight ticket? 
 agent: Sure, I can help you with that. Can you please help me with your travelling dates? 
 customer: My travelling dates are 09/28 and 09/30 with 1 connection limit. 
 agent: Ok, let me check for the availability of flight. 
 customer: Ok. Did you find any flight for me? 
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 customer: Yes, proceed. 
 agent: Sure. Your booking is confirmed.Your flight number is 1024 and the airline is AA. Have a great journey. 
 customer: Thank you for your help in booking a flight ticket. 
 agent: You are welcome.
agent: Shirley, there is a flight available with price 100. Would you like me to proceed the booking?