customer: Hi. 
 agent: Hello. How can I help you today? 
 customer: I'm Stephanie Carter here. I want to travel from DC-IAD to attend a conference meeting with my friends at Phoenix. 
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 customer: My preferable dates are from 09/09 to 09/11. 
 agent: Can you please help me with the destination airport code? 
 customer: Sure, my destination airport is AZ-PHX. 
 agent: Ok, let me check for the availability of flight. 
 customer: Sure. 
 agent: Stephanie, there is a flight available with JetBlue airline and the price 200. Shall I proceed to book a flight ticket? 
 customer: Please proceed with this flight. 
 agent: Your booking is confirmed with 1024 flight number. 
 customer: Thank you for your help. 
 agent: You are welcome. Thank you for choosing our service, have a great day.
agent: Ok, could you please provide your preferable travel dates?