You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best may I guide you today?

USER: I want to travel from JFK to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am happy to help you. May I know your travelling dates, please?

USER: I want to travel in the flight on Aug 17 and Aug 19.

ASSISTANT: Do you have any limit on number of connections?

USER: I am looking for a connecting flight.

ASSISTANT: May I know about your other specifications, if any?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any more requirements?

USER: No.

ASSISTANT: Let me know your name to proceed further.

USER: Nicholas Taylor.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I proceed by booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been generated with flight number 1002.

USER: Thank you for your help.

ASSISTANT: My pleasure, have a safe trip.