You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My friends all are planning for a vacation to visit Las Vegas, NV - LAS to see The Las Vegas Zoo can you make a reservation for me because my friends already reserved their tickets.

ASSISTANT: Sure, can I know the dates of your journey please?

USER: My journey dates are 04/21 and 04/23.

ASSISTANT: Ok, can I know from where you want to start your journey please?

USER: I am Catherine White from NY-JFK.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: JetBlue airline is providing a service on your route with connection 1, shall I book it?

USER: I need flight with 0 connection.

ASSISTANT: There is a direct flight for you in Spirit airline and price is 200.

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thanks for you help.

ASSISTANT: You are welcome.