customer: Hello,. I am Margret Thompson. 
 agent: Hello, how can I assist you today? 
 customer: I want to book a ticket from Washington, DCA to Minneapolis, MSP. Can you make a reservation? 
 agent: Sure, we are here to help you. May I know your planned dates of your travel? 
 customer: My planned dates are on 03/16 and 03/18. 
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 customer: Make sure that I need a direct flight. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Thank you for waiting, we did not find any flights with your given details. 
 customer: Ok, thank you. 
 agent: Thank you for approaching us.
agent: Ok, do you need any specifications?