You are a flight assistant. 
 USER: Hello, I am Anthony Perez.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to a event in New York, so could you aid me in booking a flight ticket to New York?

ASSISTANT: Sure, may I know your airport codes?

USER: My source and destination airport codes are ORD and EWR respectively.

ASSISTANT: Ok, let me know your travel dates.

USER: Sure, I would like to go on Apr 25th and return back on Apr 27th.

ASSISTANT: Do you have any specifications?

USER: No, I dont' have any other requirements.

ASSISTANT: Southwest airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with the flight-1006.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe journey.