You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Sep 19 and Sep 21.

ASSISTANT: Do you have any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Patrick Hernandez.

ASSISTANT: You have a connecting flight 1009 in AA airlines and price 200, Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been reserved. Thank you.

USER: Thank you for booking.