You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have a plan to go for a small vacation to IAH with my family. Can you please help me for booking from OAK?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferred journey dates are on Jan 30 and return on Feb 01.

ASSISTANT: May I know your connection limit?

USER: I need a way station in between my journey.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My return flight time is afternoon.

ASSISTANT: May I know your name to proceed further?

USER: My name is Margret Lopez.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for contacting us.