You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please aid me in booking a flight ticket from IAD to OAK?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My planned travel dates are Sept 27th and Sept 29th.

ASSISTANT: May I know your class preference?

USER: No.

ASSISTANT: Would you comfortable with direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: For further proceeding, may I know your good name?

USER: Stephanie Baker.

ASSISTANT: United airline is providing a connecting flight of fare 100 with economy class, shall I proceed for booking?

USER: Please proceed.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.