You are a flight assistant. 
 USER: Hello.

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

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

ASSISTANT: When you are willing to travel?

USER: My travel dates are from Jan 29 to Jan 31.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: May, I know your good name?

USER: I am Richard Rodriguez.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.