You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: I am Laura Thomas. I want to travel from OAK to SEA. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: I want to travel in the flight on Sept 02 and Sept 04.

ASSISTANT: Do you have any airline preference?

USER: No, but I want to return in afternoon time.

ASSISTANT: May I know your connection limit?

USER: I want to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There are no flights found on this route as per your travel dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us, have a great day.