You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from OAK to PHX to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I am departing on Sep 04 and return on Sep 06.

ASSISTANT: May I know our name to proceed for further?

USER: My name is Donna Collins.

ASSISTANT: Do you need any break in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you need any specifications?

USER: Sorry to say, I prefer a direct flight.

ASSISTANT: Here, I found a direct flight for you in business class and it costs you 700. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done with flight 1018 in UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe flight.