You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from JFK to SFO. Could you help me in booking?

ASSISTANT: Can you help me with your dates?

USER: My travelling dates are from Dec 02 - 04.

ASSISTANT: Do you need any connections?

USER: I prefer for connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Karen Wilson.

ASSISTANT: Connecting flight number 1001 with price 100 in economy class is available. Is it ok?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.