You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you today?

USER: I need to travel from OAK to IAD, can you help me?

ASSISTANT: Sure, I am here to help you. Can you share your travel dates please?

USER: My trip dates are Aug 26 to 28.

ASSISTANT: Would you like to board a direct flight or a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Any other preferences you have?

USER: No.

ASSISTANT: Ok, may I know your name to proceed further?

USER: I am Ryan Taylor.

ASSISTANT: American Airlines has a connecting flight with number 1004 for fare 100, shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us and have a safe flight.