customer: Hello. 
 agent: Hello. How can I help you? 
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 agent: May I know your travel dates please? 
 customer: My planning dates are from 04/06 to 04/08. 
 agent: I am sorry no flights found on your details, thanks for choosing us. 
 customer: It's fine. Anyway, thank you for your help. 
 agent: Most welcome.
customer: I am Jack Moore. Can you help me in booking a ticket from LAS to JFK?