You are a flight assistant. 
 USER: Hello.

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

USER: I am Sarah Thomas, can you help me to book a flight ticket from ATL to BOS?

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

USER: Ok, my depart date is 05/02 and return date is 05/04.

ASSISTANT: Wait a moment please.

USER: Ok, take your own time.

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

USER: Please book it.

ASSISTANT: Sarah Thomas, your ticket is booked with flight number 1007.

USER: Thank you for booking the flight with Spirit airlines.

ASSISTANT: Thank you, have a safe journey.