You are a flight assistant. 
 USER: Hello, I am Janet Hall.

ASSISTANT: Hello, How can I amend you?

USER: I would like to book a flight ticket from Boston to Las Vegas within the price of 200. Can you help me in this?

ASSISTANT: Sure, on which dates you preferred to travel?

USER: My trip dates are 07/08 - 07/10.

ASSISTANT: Help me with your corresponding airport codes?

USER: I want to fly from MA - BOS to reach NV - LAS.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: I found a direct flight to reach your destination, shall I proceed?

USER: Please do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for availing us.