You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I would like to meet my friend at Oakland, will you help me in booking the flight ticket from ORD to OAK?

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

USER: My preferable journey dates are 05/18 and 05/20.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a flight with connecting flight of fare 100 and the airline is named as Jet Blue, are you ok for this booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking has been done with flight 1002. May I know your name please?

USER: Myself Karen Smith. Thank you for helping me.

ASSISTANT: Thank you for approaching us, have a safe journey.