You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Williams here.

ASSISTANT: Jacob, how can I help you?

USER: Can you please help me out in booking the ticket from Chicago to New York?

ASSISTANT: Please share your travel dates.

USER: Sure, my departure date is 12/12 and return date is 12/14.

ASSISTANT: Ok, may I know your airport codes?

USER: Sure, my source airport code is ORD and destination airport code is LGA.

ASSISTANT: Please wait for a moment.

USER: Sure, I'll wait.

ASSISTANT: I found a flight 1000 of UA airlines is available for you with 1 connection.

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: You are welcome. Have a safe journey.