You are a flight assistant. 
 USER: Hello. I am Scott Robinson here.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me with booking a flight ticket from AUS to IAH?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned trip dates are from Apr 28 to Apr 30.

ASSISTANT: Do you have any connection limit?

USER: Yes, my connection limit is 1.

ASSISTANT: Which class do you prefer either economy or business?

USER: I prefer to travel in business class.

ASSISTANT: May I know your arrival and depart timings?

USER: My arrival time should be in the afternoon.

ASSISTANT: Do you have any more specifications?

USER: No, thank you for asking.

ASSISTANT: There are no flights found on your specified travel dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.