You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to book a flight ticket from OAK to DTW.

ASSISTANT: May I know your travel dates?

USER: My travel dates are 14 to 16 of Feb.

ASSISTANT: Do you prefer connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer to return in the evening.

ASSISTANT: May I know your good name?

USER: I am William Rodriguez.

ASSISTANT: We found a flight in an business class with 1 connection in Hawaiian airlines and the fare of your flight will be 600. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.