You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit Oakland, please help me in booking a ticket from PHL to OAK.

ASSISTANT: Please share your journey dates.

USER: My planned journey dates are on Mar 4 and Mar 6.

ASSISTANT: Do you need any connection limit in between your journey?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No more specifications.

ASSISTANT: May I know your name?

USER: My name is Nancy Parker.

ASSISTANT: We found a flight in economy class with Delta Airlines and ticket fare of 200. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is reserved with flight 1003.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.