You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to visit Washington, please help me in booking a ticket from OAK to DCA.

ASSISTANT: Sure, may I know your name please?

USER: My name is Dennis Mitchell.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My planned travel dates are on June 14 and June 16.

ASSISTANT: May I know your airline preference please?

USER: Any airline is comfortable for me.

ASSISTANT: May I know your connection limit please?

USER: I am looking for a connecting flight.

ASSISTANT: There is a connecting flight of fare 200 with economy class in Jet Blue airline, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your reservation has been confirmed with flight number 1028.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.