You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to meet my brother at Oakland, please help me in booking a ticket from DFW to OAK.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My planned travel dates are 12/16 and 12/18.

ASSISTANT: Please wait for a moment to check for the availability of a ticket.

USER: Sure, take your time.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is Hawaiian, are you ok with this booking? May I know your name please?

USER: Ok, please book the ticket with the name Debra Green.

ASSISTANT: Ok, your booking is done with the flight number 1000.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe flight.