You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Jennifer Baker. I want to book a ticket from New York, EWR to attend my cousin's birthday party at Oakland. Could you book a ticket to OAK airport?

ASSISTANT: Sure, Can you please help me with your travelling dates?

USER: Travelling dates are on 12/13 and 12/15.

ASSISTANT: Ok, please provide your price limit.

USER: Price limit is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight found in 1025 Southwest plane with a fare of 100.

USER: Ok, book it.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.