customer: Hello. 
 agent: Hello, how can I serve you? 
 customer: I am Katherine Walker. I want to book a ticket from Washington to Minneapolis to meet my cousin for his birthday. 
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 customer: Make a reservation on 07/25 and 07/27. 
 agent: Can you share your airport codes? 
 customer: Airport codes are DCA - MSP. I need a direct flight. 
 agent: There is a flight 1007 in Southwest airline and price 100 with a connection. Shall I proceed? 
 customer: Do not proceed. Thank you for availing me. 
 agent: Ok, thanks for choosing us.
agent: Ok. May I know your travelling dates?