You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my friend in SEA, can you please help me to book a flight ticket from SFO?

ASSISTANT: May I know your travelling dates?

USER: I prefer to travel on Oct 1 and Oct 3.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Stephen Scott.

ASSISTANT: American Airlines providing direct flight in the economy class with fare 100, shall I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.