You are a flight assistant. 
 USER: Hello, I am Patrick Young.

ASSISTANT: Hello, how may I assist you today?

USER: I want to visit Oakland museum of California, can you please book me a ticket with one connection.

ASSISTANT: Could you please share me your airport codes?

USER: Sure, my source airport is Washington DC - IAD. My destination airport is Oakland, CA - OAK.

ASSISTANT: Kindly, please share me your travellings dates?

USER: Ok, my departure date is 12/13 and return date is 12/15.

ASSISTANT: Do you have any other specifications?

USER: No, proceed to book.

ASSISTANT: Ok,please wait for a while.

USER: Sure.

ASSISTANT: There is a flight found with flight number:1008 and airline:southwest with fare 200.

USER: Ok, book my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.