You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a ticket to SFO from JFK, can you please help me in booking a ticket?

ASSISTANT: Yes, I can help you. Could you share me your travelling dates?

USER: The travel dates are from 02/21 to 02/23.

ASSISTANT: Give me a moment.

USER: Please make sure that, I want a direct flight.

ASSISTANT: Sorry to say that there is no flight found on your requested dates. Can I know your name for documentation?

USER: That's ok, thank you for your help. Kenneth Wilson here.

ASSISTANT: Thank you for consulting us.