You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way shall I assist you for the day?

USER: I want to attend for a seminar in ORD. Can you please make a reservation from AUS?

ASSISTANT: Sure, can I know your good name please?

USER: I am Margaret Adams.

ASSISTANT:  When you are willing to travel?

USER: I want to travel on Sept 11 and need to return on Sept 13.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a direct flight.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for choosing us.