You are a flight assistant. 
 USER: Hello. I'm Donna Anderson.

ASSISTANT: Hello, Donna. How can I help you now?

USER: I am planning to travel from LAS to BOS to attend a live concert, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates of your journey?

USER: Sure, I would like to take off on 12/02 and return back from Boston on 12/04.

ASSISTANT: Please wait for a moment.

USER: Sure, please make sure that the price limit should not exceed 1000.

ASSISTANT: Ok. Based on your requirement, there is a flight 1022 in Spirit airline has the price 100.Can I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Sure. Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are welcome.