customer: Hello, my name is Paul Mitchell. 
 agent: Hello Paul, how can I assist you? 
 customer: Can you please check for the availability of flights from PHL to HOU? As I have to travel Houston for my conference meeting. 
 agent: Let me check for the available flight's providing service from PHL to HOU. 
 customer: Sure. 
 agent: When are you planning to travel for your conference? 
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 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Flight number 1003 of Spirit airlines is available for you. 
 customer: Sure, you can proceed with booking my ticket. 
 agent: Your ticket is booked. 
 customer: Thank you for booking my ticket. 
 agent: You are welcome.
customer: My trip dates are from 09/10 to 09/12.