You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from HOU to OAK, can you help me over that?

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

USER: Ok, my travel dates are from Dec 01 to 03.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

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

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Michelle Anderson.

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

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for contacting us.