customer: Hello. 
 agent: Hello, how can I assist you today? 
 customer: I need you to book a flight ticket from SFO to EWR. Please help me. 
 agent: Sure, may I know your connection limit? 
 customer: I would prefer to reach my destination in a direct flight. 
 agent: Can you please share your planned travel dates? 
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 agent: Do you have any other requirements? 
 customer: Nothing much to state. 
 agent: May I know your name please? 
 customer: My name is Mark Williams. 
 agent: Sorry, there are no flights found with your given details. 
 customer: That's ok. Thank you. 
 agent: Thank you for opting us.
customer: April 26 and 28 are my planned travelling dates.