customer: Hello. 
 agent: Hello. 
 customer: Raymond Anderson here. 
 agent: How may I guide you? 
 customer: I want to attend a meeting at Charlotte. Can you please help me in booking a flight ticket? 
 agent: Sure, I am here to help you. Please help me with your nearest airport codes. 
 customer: My airport codes are CLT and DCA. 
 __ 
 customer: Sure, my trip dates are 06/05 and 06/07. 
 agent: Please wait a moment, Raymond. 
 customer: Ok, take your time. 
 agent: Raymond, no flights has been found on your planned travel dates. 
 customer: That's ok, no problem. Anyway thank you for the information. 
 agent: Thank you for approaching us.
agent: May I know your planned travel dates please?