You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you at this moment?

USER: I would like to meet my brother at Los Angeles, will you help me in booking the flight ticket from PHX to LAX?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are 08/14 and 08/16.

ASSISTANT: Please wait for a moment, I will check the availability.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, not an issue.

ASSISTANT: May I know your name?

USER: Catherine Perez here.

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