customer: Hello. 
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 customer: Can you please help me in booking my flight ticket from OAK to SEA? 
 agent: Sure, I will help you. Please help me with your planned travel dates. 
 customer: My planned trip dates are June 29 to July 01. 
 agent: May I know with your name please? 
 customer: My name is Mary Campbell. 
 agent: Do you need a break in you journey? 
 customer: Yes, I need a connecting flight. 
 agent:  Please help me with your preferred class to fly. Do you have any other preferences in your journey? 
 customer: I need to fly in business class. No. 
 agent: Mary Campbell, I am really sorry to inform you that there are no active flights available for your journey. 
 customer: Ok, no issues. Thank you for your service. 
 agent: Thank you for contacting us. Have a great time.
agent: Hello. How may I assist you today?