customer: Hi, I am Samuel Parker. 
 agent: Hello, How can I help you today? 
 customer: Please help me with booking a flight ticket from DCA to SEA. 
 agent: Sure, we are happy to help you. 
 customer: Thank you. 
 agent: May I know when you want to travel? 
 customer: My travel dates are 02/28 and 03/01. 
 agent: Ok, do you need any halt in between your journey? 
 customer: I need a halt in between the journey. 
 agent: Ok, let me check best flight for you. 
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 agent: Sorry to inform you that no flights are available on respective dates of travel. 
 customer: Ok, no issues. Thanks for the help. 
 agent: Thank you for your presence. We hope to serve you again.
customer: Ok.