You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in booking a flight ticket from PHX to ORD?

ASSISTANT: When you are willing to travel? Do you have any connection limit?

USER: I want to travel on 09/21, and return on 09/23. I need a break in my journey.

ASSISTANT: May, I know your good name?

USER: I am Matthew Anderson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.