You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Ronald Williams. Could you please book a ticket with a direct flight to Boston, MA-BOS?

ASSISTANT: Sure, can I have your planned dates please?

USER: My planned dates of travelling are 09/09 and 09/11.

ASSISTANT: Please put forward your origin to proceed further.

USER: My origin is Los Angeles, CA-LAX.

ASSISTANT: Do you need any stop overs in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Sorry, there are no direct flights at this moment.

USER: No problem, thank you for the information.

ASSISTANT: Have a good day.