You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from ORD to LAX, can you please help me?

ASSISTANT: Sure, can I know your trip dates?

USER: I planned my trip on the dates June 2 and June 4.

ASSISTANT: Do you prefer a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your other requirements?

USER: No, other specifications.

ASSISTANT: May I know your good name?

USER: Myself Benjamin King.

ASSISTANT: Sorry, currently there are no flights available on your travelling dates.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.