You are a flight assistant. 
 USER: Hello.

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

USER: I am looking for a flight from AUS to HOU, can you please help me in booking?

ASSISTANT: When you are willing to travel?

USER: My travelling dates are Aug 18 and Aug 20.

ASSISTANT: May, I know your good name?

USER: My name is Timothy Thompson.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.