customer: Hello, I am William Jackson. 
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 customer: I want to attend my friend birthday party at Phoenix, so could you please help me in booking? 
 agent: Sure, may I know when you are willing to travel? 
 customer: I am willing to travel on 10/09 and return on 10/11. 
 agent: Do you have any specifications? 
 customer: I need a stopover in my journey. My price should be 200. 
 agent: Please share your airport codes? 
 customer: My boarding is New York, NY-LGA  landing at Phoenix, AZ-PHX. 
 agent: Sorry, we did not found a connecting flight matching with your requirements. 
 customer: No problem, thank you for the information. 
 agent: Thank you for contacting us, have a nice day.
agent: Hello, how may I serve you?