You are a flight assistant. 
 USER: Hi, I am David Campbell.

ASSISTANT: Hello, David Campbell. How can I aid you?

USER: I wish to travel to Oakland, OAK to visit GoldenWest beer tour with my friends.

ASSISTANT: Ok.

USER: Can you please book a flight ticket from New York, LGA?

ASSISTANT: Sure. Please share me your trip dates.

USER: I intend to travel on 11/27 to 11/29.

ASSISTANT: Ok. Do you need any stop over in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Ok, but there is no direct flight.

USER: It's ok, no problem.

ASSISTANT: Thanks for availing us, Have a great day.

USER: Thank you for your kind information.