You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you now?

USER: I am planning to visit Central Park in New York, NY - EWR. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your takeoff airport code?

USER: I want to take off from Chicago, IL - ORD.

ASSISTANT: Could you please mention your travelling dates?

USER: I want to fly on 04/15 and recur on 04/17.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a connecting flight with a fare of 100 in UA airlines and the flight number is 1021. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: May I know your name please?

USER: I am Jonathan Green.

ASSISTANT: Ok, your booking is done on the name of Jonathan Green.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.