You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you now?

USER: I want to celebrate flower festival at Las Vegas. Can you please book a ticket with a price limit of 1000?

ASSISTANT: Sure, may I know your journey dates?

USER: I intend to travel on 05/29, and return on 05/31.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a lay by in my journey.

ASSISTANT: Please provide me your airport codes?

USER: Source is from MA - BOS, Boston. Destination is at Las Vegas, NV - LAS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight found with UA airline of flight number 1006 and fare is 100. Shall I proceed for booking?

USER: I am happy with that airline, please proceed for booking.

ASSISTANT: To proceed further, I need to know your good name?

USER: Barbra Brown, is my name.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.