You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Joshua Anderson, can you help me to book a flight from OAK?

ASSISTANT: Sure, I will help you for booking a ticket. May I know your preferable dates of journey please?

USER: My journey dates are 04/05 and 04/07.

ASSISTANT: Ok, could you please share me with your destination airport code?

USER: My destination airport codes is DFW.

ASSISTANT: There is a flight with the connections limit is 1 of fare 100 and the airline is naming as Hawaiian, are you ok with this?

USER: Proceed with booking.

ASSISTANT: Your ticket has been reserved with the flight number 1020.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe flight.