You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from PHX to DFW.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Trip dates are June, 22 and June, 24.

ASSISTANT: May I know your name to proceed further?

USER: My name is Brandon Harris.

ASSISTANT: Sorry  Brandon Harris, there is no flight as per your travel dates.

USER: Thank you.

ASSISTANT:  Brandon Harris, thank you for reaching us.