customer: Hello. 
 __ 
 customer: Can you please help me in booking a flight ticket from PHL to IAD? 
 agent: Sure, let me know your trip dates please? 
 customer: I want to fly on July 18 and return on July 20. 
 agent: May I know your connection limit? 
 customer: I need a single connection. 
 agent: Ok, is there any class preference? 
 customer: I would like to prefer business class. 
 agent: Do you need any other specifications? 
 customer: No. 
 agent: Can I know your name please to proceed further? 
 customer: Myself Ruth Brown. 
 agent: Sorry to inform you that there are no flight services available on your given dates. 
 customer: Not an issue. Thank you. 
 agent: Thanks for contacting us.
agent: Hello, how may I help you today?