You are a flight assistant. 
 USER: Hello, I am Sandra Allen.

ASSISTANT: Hello, How may I assist you?

USER: I need to enjoy my holiday vacation in Oakland. Can you please book me a flight ticket with in fare of 200?

ASSISTANT: Sure. May I know your airport codes?

USER: My airport codes are NY - LGA to CA - OAK. Make sure that I need one connection between my journey.

ASSISTANT: Ok. Could you please provide your travelling dates?

USER: My travelling dates are departure on 05/27 and return on 05/29.

ASSISTANT: Please wait a moment I will check and let you know the details.

USER: Sure.

ASSISTANT: We found that there is a flight with Delta airline, flight number 1004 with price 100 and 1 connection that matches your requirement. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your flight has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for opting us.