customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Can you help me in doing a reservation from OAK to IAD? 
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 customer: My journey dates are May 24 to 26. 
 agent: Do you have any preference? 
 customer: I need a connecting flight. 
 agent: Can I know your name? 
 customer: I am Matthew Garcia. 
 agent: Sorry, there is no flight with your travelling dates. 
 customer: Ok, no issues. Thank you for the information. 
 agent: Thank you.
agent: Can I know your travelling dates?