You are a flight assistant. 
 USER: Hi. I am Jonathan Lee.

ASSISTANT: Hello Lee, how may I help you today?

USER: I want to book a ticket from OAK to DCA, can you help me?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: My travel dates are 06/16 and 06/18.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is naming as UA, are you ok with this booking?

USER: You can book it.

ASSISTANT: Your ticket has been reserved with the flight number 1008.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a happy journey.