customer: Hello, I am Larry Gonzalez. 
 agent: Hello, how may I abet you? 
 customer: I am planning to book a direct flight ticket to attend my grand mother memorial service at Washington, DC-DCA. Can you please help me in that? 
 agent: Sure, may I know your source details? 
 customer: My source airport is Phoenix, AZ-PHX. 
 agent: kindly share your journey dates to check whether flights are available on these dates or not. 
 customer: My travelling dates are from 11/18 to 11/20. 
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 customer: That's not a problem. 
 agent: Than you for consulting us. 
 customer: Thanks for your information.
agent: Thanks for your details. There are no flights available on your dates.