You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Yes, please book a ticket from JFK to IAD.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My depart date is Nov 30 and return date is Dec 2.

ASSISTANT: Ok, could I have your name please?

USER: Sure, I am Carolyn Campbell.

ASSISTANT: We found Spirit airline with price 200 and economy class and airline number is 1008 with arrival time is 12 PM and departure time is 13 PM, Shall I proceed for booking?

USER: Ok, please confirm.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.