You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Rachel Hill, I want a flight ticket to New York for short vacation, can you help me to book a flight on 07/02?

ASSISTANT: Sure, may I know your airport codes?

USER: I will fly from CA-OAK and land on NY-EWR.

ASSISTANT: May I know your return date?

USER: I will return date is 07/04.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight. My budget is 500 for flight ticket.

ASSISTANT: There is no flight on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for choosing us.