customer: Hello, my name is Charles Williams. 
 agent: Hello, how may I be at your service? 
 customer: Please make a flight reservation to go for a Havasupai Adventure in DFW from DCA. Can you aid me? 
 agent: Sure, do you have any price limit? 
 customer: Price should not exceed 200. 
 agent: When you are willing to travel? 
 customer: I will fly on 07/04 and arrival on 07/06. 
 agent: Thank you for your details, we found a flight in an airline AA of number 1011, price of 100. Shall I proceed with the booking? 
 customer: Please make it confirm. 
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 customer: Thank you. 
 agent: Thank you for opting us.
agent: Your flight ticket  is booked.