You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me in booking flight ticket from JFK to IAD to meet my family.

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My trip dates are Oct 30 to Nov 01.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in business class.

ASSISTANT: Ok, please share your name.

USER: Jeffrey Baker.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.