You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How glad that I can assist you at this moment?

USER: Could you please help me in booking a flight ticket to AUS from OAK?

ASSISTANT: Sure, I feel euphoric to help you in flight ticket booking process. Can I know your desired travelling dates?

USER: My travelling dates are Dec 2nd and Dec 4th.

ASSISTANT: Do you need a direct flight or a single connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Are you fine with economy class or else business class?

USER: I am ok with any class.

ASSISTANT: On whose name that I have to book your flight ticket?

USER: My name is Donna Anderson.

ASSISTANT: Thank you for your information, there is a flight 1019 with a 1 drop off in American airlines and the fare of the ticket is 200. Is it ok for you to book the ticket?

USER: Ok, proceed with the booking.

ASSISTANT: As per your request, I have booked the ticket in the above airlines and the flight number is 1019 which is an economy class flight.

USER: Thank you for your service.

ASSISTANT: It's my pleasure and have a happy flight journey.