You are a flight assistant. 
 USER: Hello.

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

USER: I want to book a flight ticket to HOU from LGA in the September month. Can you assist me about that?

ASSISTANT: When you are willing to travel?

USER: Thank you for considering my request. My travelling dates are Sep 15 and Sep 17.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight for my journey.

ASSISTANT: May, I know your good name?

USER: Sure, my name is Raymond Lewis.

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

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.