customer: Hi. 
 agent: Hello. How can I assist you today? 
 customer: I am Brenda Martin. I want to book a ticket from DCA to EWR, can you help me? 
 agent: Ok Martin, can you provide your travel dates please? 
 customer: My travel dates are 06/06 and 06/08. 
 agent: Ok, please wait for a moment. 
 customer: Ok. 
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 customer: No problem, thanks for checking. 
 agent: You are welcome, thank you for reaching us. You are welcome, thank you for reaching us.
agent: Thank you for your patience, sorry to inform you that there are no flights available for your desired dates.