You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight from HOU to OAK, can you help me out in booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Jun 13th till Jun 15th.

ASSISTANT: May I know the name to reserve the ticket?

USER: Myself Brenda Williams.

ASSISTANT: Do you have any specifications?

USER: I need to return from Oakland in evening session.

ASSISTANT: Please provide me the connection limit.

USER: I comfortable with 1 stop.

ASSISTANT: Do you have any other specifications?

USER: I looking for an economy class flight.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: That's ok, not an issue. Thank you for your information.