You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I need to attend a client meeting in my office at Las Vegas. Can you please book a ticket from OAK to LAS?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I have planned to travel on May 09 and return on May 11.

ASSISTANT: Do you prefer either connecting or direct flight?

USER: I would prefer a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your arrival and depart timings?

USER: I am comfortable to travel at any time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Ronald Williams.

ASSISTANT: We found a connecting flight of fare 100 with airline Hawaiian and number 1005. Can I reserve it?

USER: Yes, please confirm it.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.