You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Myself Larry Walker. Can you please check is there any direct flight to PHX on 01/25? It's an emergency to travel?

ASSISTANT: Please mention your return date.

USER: My return date is 01/27.

ASSISTANT: Please share origin place.

USER: My origin airport code is IAD.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no direct flight is available as per your requirements.

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Welcome.