You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Catherine Jones, could you aid me to book a ticket from Oakland, OAK on 12/12?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I want to return on 12/14.

ASSISTANT: Could you please provide your landing airport code?

USER: My destination airport is New York, EWR.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Southwest airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.