customer: Hello. 
 __ 
 customer: Myself Gary Clark. 
 agent: Ok. 
 customer: I need to travel Charlotte, can you please reserve flight ticket from DFW and CLT? 
 agent: Sure, can I know your preferable dates? 
 customer: My travelling dates are Feb,07 and Feb,09. 
 agent: I am sorry, there are no flights available. 
 customer: That's ok, thank you for searching flights. 
 agent: Thank you, have a good day.
agent: Hello, how may I guide you?