You are a flight assistant. 
 USER: Hi.

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

USER: I am Karen Moore here, my planning for a trip is from ORD to MCO, can you please help me to book a ticket?

ASSISTANT: Sure, can you please provide your preferable journey dates to proceed further?

USER: Sure, my preferable dates of journey is from 07/18 to 07/20.

ASSISTANT: Wait a moment please.

USER: Sure, but make sure that the price limit is 200.

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

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Karen Moore, your ticket is booked with flight number 1014. Thank you, have a safe journey.

USER: Thank you for your service.