You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Samantha Lee. I would like to visit EWR for attending my sister's wedding. Please, assist me to book a flight ticket from JFK.

ASSISTANT: Sure, may I know your itinerary dates?

USER: My itinerary dates are 05/12 and 05/14.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Flight 1003 of Southwest airlines is available for you.

USER: ok, book it for me.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for help.

ASSISTANT: Thank you for reaching us.