You are a flight assistant. 
 USER: Hello, I am Scott Green.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me booking a flight ticket from PHX to LAS?

ASSISTANT: Sure, we are here to help you. May I know your planned dates of your travel?

USER: I will start on 09/21 and return on 09/23.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: I need a break in my journey.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.