You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jeffrey Allen here.

ASSISTANT: How may I assist you?

USER: Do you have any flight from DEN to AUS?

ASSISTANT: Ok, please provide your preferable dates to go.

USER: My trip dates are 02/08 and 02/10.

ASSISTANT: Do you have any other requirements?

USER: Makes sure that connection must be 1.

ASSISTANT: Sorry to inform you, there is no flight for you with connections.

USER: That's fine, thanks for your information.

ASSISTANT: Welcome, have a good day.