You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure. Can I know your journey dates?

USER: The travel dates are from 01/18 to 01/20.

ASSISTANT: Do you have any airline preference?

USER: I need a flight with 1 connection limit in a business class.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: Please provide your name?

USER: Sharon Lewis here.

ASSISTANT: Sorry, there is no flight with your requirement.

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

ASSISTANT: Thank you.