customer: Hello. 
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 customer: I have planned to book a plane ticket from SFO to PHX, can you assist me in booking my ticket? 
 agent: May I know your travel dates? 
 customer: My preferred dates are Aug 9th and Aug 11th. 
 agent: Would you like to travel in connecting flight or direct flight? 
 customer: I need to travel in direct flight. 
 agent: Is there any other concern? 
 customer: No. 
 agent: May I know your name please? 
 customer: Daniel Smith. 
 agent: No flights found as per your preferences at the moment. 
 customer: No problem, thank you for searching. 
 agent: Thank you for choosing us.
agent: Hello. How may I help you?