You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from DEN to AUS to attend a live concert.

ASSISTANT: Ok. May I know on which dates your willing to travel?

USER: Sure, my departure and arrival dates are Dec 3 and Dec 5.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit please?

USER: I prefer maximum 1 connection in between journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: May I know your name please for further process?

USER: Sure, Jonathan Turner here.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling dates.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: You are welcome.Thank you for reaching us.