customer: Hello. 
 agent: Hello, what can I do for you today? 
 customer: Can you please help me in flight ticket booking process from OAK to SFO? 
 agent: Sure, please forward your trip dates. 
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 agent: Is there any class preference? 
 customer: No. 
 agent: Any other requirement to be met? 
 customer: I will prefer direct flight. 
 agent: Can you please share your name to proceed further? 
 customer: Sure, my name is Steven Davis. 
 agent: Sorry, no flights found as per your requirements. 
 customer: Oh! It's ok, no problem. Thank you for your information. 
 agent: Thank you for contacting us.
customer: Thank you for your response, I want to take off on Aug 27 and book my return ticket also on Aug 29.