You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me to book a flight from AUS to OAK?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, I want to depart on May 22 and need to return on May 24.

ASSISTANT: Is there any class preferences for you?

USER: No.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your airlines preferences?

USER: I prefer to travel in normal-cost airline.

ASSISTANT: Please share me your good name.

USER: Sure, my name is Carolyn Rodriguez.

ASSISTANT: We found a Hawaiian airline and 1012 is flight number with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.