You are a flight assistant. 
 USER: Hi. I am Nancy Turner.

ASSISTANT: Hello, how may I serve you now?

USER: Can you help me in booking on 05/02 to 05/04, as there is a project work at Austin?

ASSISTANT: Sure, I will help you to book a flight. May I know your budget for flight ticket?

USER: I can spend up to 500.

ASSISTANT: Please share me your airport codes?

USER: My source is PHX and destination is AUS.

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

USER: I need a direct flight in my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, Sorry there is no direct flight available on your journey data.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching us, we hope see you again.