You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I planned to meet my friend in DEN, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, I'm glad to help you with that. Can you please provide your planned departure and return travel dates?

USER: I prefer to travel on May 8 and May 10.

ASSISTANT: Do you need stopover in between your journey?

USER: I need a direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to travel in economy class.

ASSISTANT: May I know your good name please?

USER: I am Kevin Thomas.

ASSISTANT: Southwest airlines is providing a direct flight with ticket fare of 100, shall I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1009, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.