customer: Hello. 
 agent: Hello, how can I help you? 
 customer: I need a flight from LAX to PHX, can you help me with that? 
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 customer: Ok, my travel dates are 05/31 and 06/02. 
 agent: Can you please tell your name? 
 customer: Ok, I am Dennis Green. 
 agent: Sorry, there are no flights available with your requested details. 
 customer: That's ok, thank you for helping me. 
 agent: Thank you and have a nice day.
agent: Sure, can you please tell your travelling dates?