You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I would like to prefer a economy class for my business trip to Phoenix. So can you book the flight ticket for me?

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

USER: The trip dates are from July 12 to July 14.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer a stopover flight.

ASSISTANT: May I know your good name please?

USER: I am Alexander Davis.

ASSISTANT: Can you please share your airport codes?

USER: The airport codes are from ATL to PHX.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.