You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me booking a flight ticket from ORD to LGA?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: I am Susan White.

ASSISTANT: Please help me with your planned travelling dates.

USER: I will start on 12/08 and return on 12/10.

ASSISTANT: Do you need a break in between your journey?

USER: I need a break in my journey.

ASSISTANT: Do you have any other preferences in your journey?

USER: I am looking for a business class.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Susan White, I am really sorry to inform you that there are no flights available for your journey.

USER: No problem, the you for the information.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.