customer: Hi, I am John Nelson. 
 agent: Hello, what kind of assistance you are looking for? 
 customer: Can you please help me with booking a flight ticket from LAX to IAD? 
 agent: Sure, I am ecstatic to help you. 
 customer: Thank you. 
 agent: Let me know, how much you can afford for this journey? 
 customer: I can afford up to 5000. 
 agent: Do you have any class preference? 
 customer: I prefer business class. 
 agent: Kindly, share your travelling dates to proceed further. 
 customer: Travel dates are 12/06 and 12/08. 
 agent: Thank you for sharing your details. Please, hold on for a while. 
 customer: Ok. 
 agent: Thank you for waiting, there are no flights available with your requirements. 
 __ 
 agent: Thank you for approaching us.
customer: Ok, no issues. Thanks for the help.