You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Phillips from New York.

ASSISTANT: Welcome to flight booking agency, how can I assist you today?

USER: Thank you. Actually, I very much crazy about historical places so this time I would like to visit old town of Chicago. So please help me with flight ticket booking.

ASSISTANT: That is nice Helen, I am also very much happy to help you with flight ticket booking.

USER: Thank you for accepting my request.

ASSISTANT: It's ok Helen. Can you please help me with your travel dates to find bet flight for you?

USER: Sure, I am ready to provide the dates. I have planned my travel dates as 02/11 and 02/13 as these are the only days I have to spend my free days.

ASSISTANT: Ok Helen, did you aware of airport codes of your journey location? If yes, please let me know them.

USER: Yes, I am aware of them. JFK and ORD are the airports codes of my travelling locations.

ASSISTANT: Thank you for providing your journey details with patience.

USER: It's ok.

ASSISTANT: Please wait a moment to find available flights for you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting with patience. I have found a flight with connection 1 and price of the ticket is 200 in AA airlines, are you comfortable with this flight?

USER: Yes, you can proceed with booking because it satisfying all my requirements.

ASSISTANT: Your ticket is booked. The flight number is 1013 and the airline is AA.

USER: Thank you for helping me in flight ticket booking.

ASSISTANT: Welcome, have a great day.