You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit Los Angeles, would you help me in booking my ticket?

ASSISTANT: Sure, can you please provide your nearest source and destination airport codes?

USER: My preferred airport codes of travelling are from EWR to LAX.

ASSISTANT: Can you please share your Preferable journey dates?

USER: I have planned to move on 03/06 and return by 03/08.

ASSISTANT: May I know your name?

USER: Ensure that it should be a direct flight. Myself Laura Walker.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight available on this route.

USER: Ok, no problem. I'll choose other option to travel. Thank you for your service.

ASSISTANT: Thank you for availing us.