You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Gregory Garcia. I nee to travel New York, can you please reserve flight ticket from IAD and EWR?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are oct,13 and oct,15.

ASSISTANT: I found a flight 1013 of southwest airlines, can I proceed?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you, have a good day.