You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking to book a flight ticket from IAD to JFK. Can you help me for that?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travelling dates are Oct 17 and Oct 19.

ASSISTANT: Do you have any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Is there any class preference?

USER: Any class is fine for me.

ASSISTANT: May I know your arrival and depart timings?

USER: I don't have any time limit.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your good name.

USER: My name is Raymond Adams.

ASSISTANT: We found a connecting flight of fare 100 with airline JetBlue and number is 1004. Shall I reserve it?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you.