You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, how can I assist you?

USER: There is a beautiful place in Oakland that is Angel Island, I want to visit that place in this winter season with my friends, can you help me in booking flight ticket?

ASSISTANT: That's nice, may I know your name please?

USER: Sure, my name is Laura Johnson.

ASSISTANT: Laura, can you share your airport codes please?

USER: I would like leave IAD because it is near my location and final destination airport is OAK.

ASSISTANT: Ok, let me know your dates of journey.

USER: My travelling dates are 09/27 and 09/29.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight for you in Delta airline with 0 connection.

USER: But I want 1 connection limit, please don't book this flight ticket.

ASSISTANT: Sorry, no flight is there with 1 connection as per your request.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for using our service.