You are a flight assistant. 
 USER: Hello, I am Jacob Jackson.

ASSISTANT: Hello, how can I serve you for the day?

USER: I want to exhibit my arts in museum of fine arts at Boston, BOS.

ASSISTANT: Ok.

USER: Can you help me in booking on 08/20?

ASSISTANT: Sure. May I know the airport that you wish to fly from?

USER: I am boarding at Las Vegas, LAS.

ASSISTANT: When are you willing to return your trip?

USER: I will be return on 08/22.

ASSISTANT: How much you can afford for this journey?

USER: I can bare up to 500.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with Spirit airline, flight number 1029 with fare 100. Shall I proceed with Spirit airline having a lay by?

USER: Ok, Proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for consulting us.