customer: Hello. My name is Catherine Green. 
 agent: Hello, how can I aid you today? 
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 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: Can you please provide your travelling dates? 
 customer: My preferable dates of journey are 09/02 to 09/04. 
 agent: Do you prefer halt in between your journey? 
 customer: I need a halt in between my journey. 
 agent: Do you have any other specifications? 
 customer: I need to travel in business class and I can afford up to 5000. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Sorry, no flight found with your given details. 
 customer: No problem, I will my alternative. 
 agent: Thank you for opting us. 
 customer: Thanks for your information.
customer: I want to book a flight ticket from SFO to JFK. Please help me in booking a flight ticket.