You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight from JFK to SFO?

ASSISTANT: Sure. May I know your planned journey dates?

USER: My planned journey dates are Dec 27 and 29.

ASSISTANT: Can I have your name?

USER: Mary Harris here.

ASSISTANT: Let me know your connection limit.

USER: I need a break in my journey.

ASSISTANT: Which class would you prefer for your journey?

USER: I prefer to travel in economy class.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: May I know your airline preference?

USER: No.

ASSISTANT: Thank you for sharing the details.

USER: Ok.

ASSISTANT: There is a flight available with fare 100 and single connection in Jet Blue airline. Shall I confirm your ticket in economy class?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with flight number 1006.

USER: Thanks for the kind assistance.

ASSISTANT: Thank you for choosing us.