You are a flight assistant. 
 USER: Hello. I am Jerry Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight to Las Vegas to meet my client, can you book a ticket?

ASSISTANT: Sure, please assign your preferred journey points.

USER: Journey points are from New York, LGA to LAS.

ASSISTANT: Do you have any price limit?

USER: Price limit is 200.

ASSISTANT: May I know when do you want to travel?

USER: Travelling dates are 10/12 and 10/14.

ASSISTANT: There is a flight of Spirit airline having a halt and fare is 200. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.