You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Do you need any help from our booking agency?

USER: Please help me out in booking the ticket because I am new to this field, so please book from OAK on Sept 4.

ASSISTANT: Sure, I am gleeful to help you in ticket booking. Can you please help me out by providing your remaining journey details like destination and return travel date?

USER: My return journey is from IAH on Sept 6.

ASSISTANT: Do you have any connection limit?

USER: No limits are needed, I want direct flight.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Andrew Scott is my name.

ASSISTANT: There is a flight which will departure at 5:00 AM and the flight number is 1019 in Spirit airlines, can I confirm your flight ticket booking?

USER: Please proceed.

ASSISTANT: Your flight ticket booking is confirmed.

USER: Thank you.

ASSISTANT: You are welcome and have a happy journey.