You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Carol Young. I am planning to book a ticket from EWR to ORD. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on 05/16 and return back on 05/18.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please book it.

ASSISTANT: Carol Young, your ticket is booked with flight number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.