You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to attend for an interview in San Francisco, so please book a flight ticket from SEA to SFO.

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

USER: I will start on Sept 19, return on Sept 21.

ASSISTANT: May I know your connection limit?

USER: I want a flight with one connection.

ASSISTANT: Do you have airline preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: My depart time should be afternoon.

ASSISTANT: Ok, please let me know your name.

USER: My name is Mark Thompson.

ASSISTANT: There is a flight from Hawaiian airlines with a ticket fare 100, shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed with the flight-1005 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.