You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you the best today?

USER: I need you to book a flight ticket from ATL to ORD. Please help me.

ASSISTANT: Sure, to book a ticket may I know when you are willing to travel?

USER: February 15 and 17 are my planned travelling dates.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break in between your journey.

ASSISTANT: Can you please share me your name?

USER: Debra King here.

ASSISTANT: We are glad to inform you that there is a flight found with an airline JetBlue of flight 1028 in an economy class with lay by. Can I confirm?

USER: I wish to depart in the afternoon. If this flight departs as per my requirement please proceed.

ASSISTANT: Sorry to inform you that there is no flight found with your matching information.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.