customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: Nicholas Carter here. 
 agent: Glad to meet you Carter. 
 customer: I would like to go to a beach in Charlotte, so could you please book a ticket to me? 
 agent: Sure, I am here to help you. May I know your travel dates please? 
 customer: I would like to go on 05/15 and return back on 05/17. 
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 customer: My airport codes are LAS and CLT. 
 agent: Ok, hold on for a moment. Let me check the best flight for you. 
 customer: Ok, ensure it is a single connecting flight. 
 agent: I found a flight for you with AA airline and it costs you 100. Shall I proceed? 
 customer: Ok, please proceed for further. 
 agent: Your ticket has been booked with 1016 flight number. 
 customer: Thank you. 
 agent: Thank you for choosing us, have a safe flight. 
 customer: Welcome.
agent: Ok, can you please provide your airport codes?