customer: Hello. 
 agent: Hello. 
 customer: I am Christopher Roberts. 
 agent: How can I assist you? 
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 agent: Sure. Can I know your travelling dates? 
 customer: I am travelling on these dates 12/04 and 12/06. 
 agent: Do you need any break? 
 customer: I need one connected flight. 
 agent: We found a Spirit airline, flight number:1000 and the price is 100. 
 customer: Ok, you can proceed with this flight. 
 agent: Your flight ticket has been reserved. 
 customer: Thank you for your services. 
 agent: Thank you.
customer: I would like to book a ticket from CLT to PHX, can you please help me out?