You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Brian Martinez, can you help me to make reservation from Phoenix, PHX to Los Angeles, LAX?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My travelling dates are on 12/18 and 12/20.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Ok, wait for a while. Thanks for waiting there are no flights found on your details.

USER: Ok, thank you for informing me.

ASSISTANT: Thanks for approaching us.