You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Scott Adams. I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from Oakland?

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

USER: I would like to take off on 02/04 and return on 02/06.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My source airport code is OAK to destination airport code is LAS.

ASSISTANT: Ok, wait for a moment please.

USER: Sure, take your time.

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

USER: But, I am looking for a direct flight.

ASSISTANT: There is a flight which is direct of fare 100 and the airline is naming as Delta, are you ok?

USER: Ok. please confirm the booking.

ASSISTANT: Your booking is done with the flight number 1027.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome, have a safe journey.