You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a ticket from OAK to JFK?

ASSISTANT: Your trip dates please.

USER: I want to start on Feb 6 and return on Feb 8.

ASSISTANT: Do you want any connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I would prefer business class.

ASSISTANT: Your name please.

USER: Jeffrey Phillips here.

ASSISTANT: Sorry to say that, there are no flights found with your details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.