You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to book flight ticket from AUS to LGA?

ASSISTANT: Sure, please share me your trip dates.

USER: My planned trip dates are Feb 10 and Feb 12.

ASSISTANT: Do you need any specifications?

USER: I need a direct flight which returns in the afternoon.

ASSISTANT: May I know your airlines preferences?

USER: No.

ASSISTANT: For booking, we need your good name. Please provide it.

USER: Sure, I am Susan Harris.

ASSISTANT: We found a UA airline and 1007 is flight number with a fare of 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.