You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have a meeting to attend at Atlanta. I am looking for a direct flight from PHX to ATL. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I am planning to travel on dates 12/31 and 01/02.

ASSISTANT: Could you please provide your name to proceed further?

USER: My name is Eric Lopez.

ASSISTANT: Sorry Eric, there is no flight available at your request.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.

ASSISTANT: You are welcome.