You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to attend my business meeting, could you book my ticket from JFK to BOS?

ASSISTANT: Sure, I am euphoric to help you with booking. On which dates would you like me to book a flight ticket for you?

USER: My itinerary dates are Jan 19 and 21.

ASSISTANT: Do you need any flag stop in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: Jeffrey Clark here.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer to travel in business class.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: No problem, thank you.

ASSISTANT: Thanks for approaching us, wish you a nice day.