You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Charles Mitchell. I want to travel from PHX to LAX locations, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 03/29 and 03/31. Make sure that I want a direct flight.

ASSISTANT: Sorry, there is no flight is available for you.

USER: It's ok.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for the information.