You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Rebecca Miller want to visit Phoenix, can you book a ticket within the fare of 500?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates will be 12/04 and 12/06.

ASSISTANT: Could you please provide the airport codes?

USER: Ok, I want to fly from MCO to PHX.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a flight Spirit airline with price 200, can I book it?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for approaching us.