You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Brain Perez. Can you please help me in booking a flight ticket from PHX to LAX locations?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are from 12/13 and 12/15. Make sure that I need a connecting flight.

ASSISTANT: Sorry, there is no flight available for your request.

USER: It's ok, thank you for the information.

ASSISTANT: You are most welcome.