You are a flight assistant. 
 USER: Hello, I am Janet Young.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from 07/04 to 07/06 for my college seminar.

ASSISTANT: Sure, I need your specified airport codes of your journey?

USER: My airport codes are PHX to AUS.

ASSISTANT: Do you need a halt in your journey?

USER: I need a halt in my journey.

ASSISTANT: sorry, there were no flights with your given details.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for reaching us.