customer: Hi. 
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 customer: Can you please help me in booking my flight ticket from SFO to DCA? 
 agent: Sure, could you please share your journey dates? 
 customer: My travelling dates are 05/28 and 05/30. 
 agent: Please wait for a moment. 
 customer: Ok, please confirm my flight ticket with name Michael Perez. if any you found. 
 agent: Sorry, no flight is available. 
 customer: Ok, fine thank you for checking. 
 agent: Thank you for reaching us, have a nice day.
agent: Hello. How may I help you?