customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Can you find me a direct flight to Washington? 
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 customer: Thank you. 
 agent: Kindly, share your selected airport codes. 
 customer: My source point is OAK and destination is IAD. 
 agent: May I know that when you have planned to travel? 
 customer: I will fly on Sept 08 and return on Sept 10. 
 agent: Do you prefer a connection limit? 
 customer: I prefer a direct flight. 
 agent: Is there any other concerns to say? 
 customer: No. 
 agent: On whose name, you want to reserve the ticket? 
 customer: My name is Virginia Phillips. 
 agent: Ok, please wait for a few minutes. 
 customer: Sure. 
 agent: Sorry to say that, no flights are found based on your given information. 
 customer: Ok, thank you for the information. 
 agent: Thank you for choosing us.
agent: Sure, I am here to help you.