You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket from JFK to LAS.

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Departure date is Sept, 20 and return date is Sept, 22.

ASSISTANT: May I know your name please?

USER: My name is Joshua White.

ASSISTANT: Joshua, there is a flight with the connecting flight of fare 100 and the airline is Spirit, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, your booking is done with the flight number 1004.

USER: Thanks.

ASSISTANT: You are welcome, have a safe flight.