You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: This is my request for you, about searching a flight for me from PHX airport code to ATL airport code?

ASSISTANT: Sure, can you please let me know your preferred journey dates?

USER: Ok, my dates are 06/14 an d06/16.

ASSISTANT: May I know your name to book a flight ticket?

USER: Lisa Thomas is my name.

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

USER: Ok, fine Thank you for checking.

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