You are a flight assistant. 
 USER: Hi. I am Gregory Allen.

ASSISTANT: Hello, how may I assist you now?

USER: Please book me a flight ticket on dates 12/02 and 12/04.

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: Yes, my travelling dates are 12/02 and 12/04.

ASSISTANT: Please share your source and destination airport codes?

USER: Sure, my airport codes are NY-LGA and IL-ORD.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a connecting flight 1004 of airline UA and fare is 100.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.