You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I would like to travel from AUS to DEN as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates please?

USER: My trip dates are 08/23 and 08/25.

ASSISTANT: Ok, please share your connection limit.

USER: I need break in my journey.

ASSISTANT: In which class, you want to go?

USER: I am comfortable with business class and return time should be afternoon.

ASSISTANT: Can I have your name please?

USER: Gary Evans here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.