You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from AUS to SFO.

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates are from July, 14 to July, 16.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Charles Robinson.

ASSISTANT: We found a flight in Hawaiian airlines, flight number is 1028 with single connection and price is 200 economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.