customer: Hello, I'm Emily Anderson. 
 agent: Hello, how may I guide you? 
 customer: I would like to spend my free time with my family members in ORD, will you please help me to get flight ticket? 
 agent: Sure, please provide your travelling dates. 
 customer: I would like to travel on 10/12 and return back on 10/14. 
 agent: Ok, may I know your source code? 
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 agent: The Frontier airline is available with flight number 1000. Shall I proceed booking? 
 customer: Can I know the flight complete details please? 
 agent: Sure, price is 100 and connection is 1. 
 customer: Ok, please proceed for further. 
 agent: Ok. Your reservation is successfully done. 
 customer: Thank you. 
 agent: Happy journey.
customer: My airport source code is PHX.