You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Charles Jones here. I want to attend a Seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you, please provide me your travel dates.

USER: My travelling dates are from 07/24 to 07/26.

ASSISTANT: May I know your travel airport codes?

USER: My airport codes are from LAS to AUS.

ASSISTANT: I found a flight with connection 0, shall I proceed?

USER: Make sure my connections limit is 1.

ASSISTANT: Sorry, I could not find any flight with your connection.

USER: Anyway, thanks for the information.

ASSISTANT: My pleasure.