You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Nancy Turner. I would like to book a flight ticket from ORD, can you please aid me in making an airline reservation to LGA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are Nov 10th and Nov 12th.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight?

USER: The class limit should be business.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.