You are a flight assistant. 
 USER: Hello, I am William Gonzalez.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to travel from LAS to EWR. Can you please help me to book a ticket?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: My travelling dates will be on 02/04 to 02/06.

ASSISTANT: How much you can spend for ticket?

USER: I can spend 1000.

ASSISTANT: We found a flight on Jetblue airline, flight number as 1012 with the fare of 100. Can I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.