You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I guide you for the day?

USER: Please book a ticket from Atlanta, GA-ATL to Phoenix, AZ-PHX.

ASSISTANT: Help me with your journey dates please.

USER: My journey dates are from 05/08 to 05/10.

ASSISTANT: Any connection limit you have?

USER: Connections limit is 1.

ASSISTANT: To book a ticket, may I have your name?

USER: I am Thomas Young.

ASSISTANT: Unfortunately, there were no flights available as this day has been declared as a holiday.

USER: Thank you.

ASSISTANT: Thanks for picking us.