customer: Hello, Robert Allen here. 
 agent: Hello, how may I aid you for today? 
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 agent: Sure, could you please share your planned dates? 
 customer: I planned to travel on 02/06 and 02/08. 
 agent: Please wait for a moment. Thank you for waiting. Sorry, there is no flight is available for you as per your requests. 
 customer: Ok, no problem. Thank you for your information. 
 agent: Thank you for choosing us, have a nice day.
customer: I planned to attend for a meeting in EWR, can you please help me to book a flight ticket from IAD?