You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Oakland, OAK. Can you help me to book a ticket from JFK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My journey dates are 04/02 and 04/04.

ASSISTANT: Ok, could I have your name please?

USER: Paul Adams here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need break in my journey.

ASSISTANT: Ok, do you have any other specifications?

USER: Departure time should be evening.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: No problem, thanks for the information.

ASSISTANT: You are welcome, have a great day.