You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Kevin Williams from New York. I have planned a trip with my students to enjoy the holidays in water world in the end of March month, so please book an advance flight ticket for me to CLT from my home town EWR?

ASSISTANT: Sure, can I know your preferable dates?

USER: Thank you for accepting my request, I want to take off on 03/09 and book my return ticket also on 03/11.

ASSISTANT: I found a flight 1011 of Spirit airlines matches with your preferences, can I proceed?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a good day.