You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Raymond Thompson. I want to fly in a  economy class, can you please search a flight ticket from PHX to LAX?

ASSISTANT: Sure, I am here to help you. Could you please provide me your travel dates?

USER: My travelling dates are 05/04 and 05/06.

ASSISTANT: Ok, please be online for a moment.

USER: Ok.

ASSISTANT: Sorry Thompson, I did not find any flight available on your given dates.

USER: Ok, fine thank you for checking.

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