You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Carol Roberts.

ASSISTANT: How can I aid you?

USER: I am planning to attend my friend's house function in Oakland, can you please help me booking the flight ticket from LAS to OAK?

ASSISTANT: May I know your journey dates please?

USER: My journey dates are 05/14 to 05/16.

ASSISTANT: Wait for a while please.

USER: Ok, take your time.

ASSISTANT: Hawaiian airlines is available on your route with the ticket fare of 100, shall I proceed with that booking?

USER: Make sure that I need a direct flight.

ASSISTANT: There are no flights available with your preferences.

USER: Ok, no problem. I will reach my destination through some other source.

ASSISTANT: Thank you for reaching us.

USER: My pleasure.