You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: This is Eric Anderson, please reserve me a flight ticket from AUS to LAS.

ASSISTANT: Sure, may I know your trip dates?

USER: My preferable journey dates are May 14 and May 16.

ASSISTANT: Do you need any way station in your journey?

USER: I prefer connecting flight.

ASSISTANT: May I know your depart time and arrival time?

USER: I would like to return in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

ASSISTANT: We found a connecting flight with fare of 500 and 1000 flight number. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your seat has been reserved with Delta Airlines in business class and you will arrive at 19:00 PM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.