You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Cynthia Martinez.

ASSISTANT: How may I assist you?

USER: Can you help me in booking a ticket from JFK to CLT?

ASSISTANT: Sure, may I know your journey dates please?

USER: The journey dates are 10/10 and 10/12.

ASSISTANT: I found a flight for you in Spirit airlines with price 200. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.