You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Carolyn Rodriguez, I want to book flight from NY-EWR to attend a meeting at Oakland. Can you book a flight on 10/02?

ASSISTANT: Sure, can I know your destination airport code?

USER: My destination airport code is CA-OAK.

ASSISTANT: Ok, when will you return from CA - OAK?

USER: I will return on 10/04.

ASSISTANT: We found a flight from Frontier airline with 1 connection and fare is 200. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Your ticket is booked with 1003 flight number.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.