customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: I want a direct flight from PHX to LAX. Can you make a reservation for me? 
 agent: Sure, I can help you with that. May I know your preferable journey dates please? 
 customer: Sure, I want to airborne on 03/26 and recur on 03/28. 
 agent: Fine, please be on hold. 
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 agent: May I know your good name please? 
 customer: Yes, I am Gary Lee. 
 agent: Sorry to inform you that there are no flights available for you on those dates. 
 customer: Ok, not a problem. Anyway's thank you for your information. 
 agent: Thank you for reaching us.
customer: Ok.