customer: Hi. 
 agent: Hello, how may I guide you? 
 customer: Debra Thomas here. Can you make my reservation from BOS to DCA? 
 agent: Can I know your preferable dates? 
 customer: My travelling dates are from 07/24 to 07/29. Please check with 1 connection. 
 agent: I am sorry, there are no flights with 1 connection. 
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 agent: Thank you, have a good day.
customer: It's ok. Anyway, thank you. Thanks.