customer: Hello. 
 agent: Hello. 
 customer: Ryan Campbell here. 
 agent: How can I assist you? 
 customer: I want to travel from Charlotte to Dallas for attending a Marriage. Can you please help me for booking the flight ticket? 
 agent: Sure Ryan, please provide me your airport codes. 
 customer: My airport codes are from CLT to DFW. 
 agent: May I know your journey dates please? 
 customer: My travelling dates are from 06/03 to 06/05. 
 agent: Please wait for a minute. 
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 agent: Ryan, there are no flights available at this moment. 
 customer: Anyway, thanks for the information. 
 agent: Thank you for contacting us, have a good day.
customer: Ok, I will wait.