You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please reserve me a flight ticket from AUS to OAK?

ASSISTANT: Sure, may I know your name to proceed further?

USER: I am Christopher Clark.

ASSISTANT: Do you need any connections between your trip?

USER: I need a connecting flight.

ASSISTANT: May I know your trip dates to reserve your seat?

USER: My trip dates are Jan 05 and Jan 07.

ASSISTANT: Do you need any other requirements?

USER: I want to travel in business class flight.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.