You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

USER: I want to travel on 12/24, and return on 12/26.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Robert Hernandez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: OK, no problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.