customer: Hello. 
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 customer: I am Michelle Scott and I would like to travel from Las vegas  to Phoenix , Can you book a book a  flight ticket  for me? 
 agent: Sure, can you please provide me your journey dates? 
 customer: Sure, I want to start on 12/24  and  the end on should be  12/26. 
 agent: OK, may I know your airport codes? 
 customer: NV-LAS to AZ-PHZ. 
 agent: Please wait a moment I will get back to you. 
 customer: OK. 
 agent: We found a flight that matches your requirements. The flight details are airline-Spirit flight number-1023 with one connection and the price 200. 
 customer: You can proceed with this airline. 
 agent: Your ticket has been reserved. 
 customer: Thank you. 
 agent: Thanks for reaching us, have a nice day.
agent: Hello. How can I help you out today?