You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to book a flight ticket from CLT, can you please aid me in booking a flight ticket to OAK?

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

USER: My travel dates are Jan 11th and Jan 13th.

ASSISTANT: May I know your connection limit?

USER: I am looking for 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: Helen Wilson.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.