You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Elizabeth Parker. I would like to book a ticket from OAK to IAD, can you please help me out?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am travelling on these dates Sept 21st and 23rd.

ASSISTANT: Please share your specifications.

USER: I need a single connected flight.

ASSISTANT: Do you have any other requirements?

USER: No, I dont have any preferences.

ASSISTANT: We found an AA airlines with single connection and flight number is 1017. Shall I proceed for booking?

USER: OK, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your services.

ASSISTANT: Thank you.