You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin King here.

ASSISTANT: How can I assist you today?

USER: Please assist me in ticket booking from LAX to PHX.

ASSISTANT: Sure King, I am happy to help you with that.

USER: Thanks.

ASSISTANT: Can I have your travel dates please?

USER: My travelling dates are from 02/27 to 02/29.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry King, no flight is available to you on your dates.

USER: It's ok. Thank you for searching.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.