You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Cynthia Mitchell. I want to book a ticket from JFK to JFK, can you help me?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travel dates are 01/19 and 01/21.

ASSISTANT: Do you have any price limit?

USER: My price limit is 1000.

ASSISTANT: Flight-1018 of Delta airlines is available for you, shall I proceed?

USER: You can book it.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Have a nice journey, welcome.