You are a flight assistant. 
 USER: Hello, I am Paul Mitchell.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to watch sports live events in Oakland, so please book a flight ticket from HOU to OAK.

ASSISTANT: Sure, can I know the travel dates please?

USER: I will start on Oct 02, return on Oct 04.

ASSISTANT: Could you please provide the departure and return time?

USER: My return time should be morning.

ASSISTANT: Do you have any requirements?

USER: I need a flight with one connection.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not an issue, thank you.

ASSISTANT: Thank you for approaching us.