You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from ORD to PHL?

ASSISTANT: Sure, when are you willing to travel?

USER: I planned my journey on the dates Feb 19 and Feb 21.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, any other requirement to be met?

USER: No, other preferences. You can proceed.

ASSISTANT: Can you please share your name to proceed further?

USER: Sure, myself Kimberly Campbell.

ASSISTANT: Delta Airlines has a connecting flight with number 1001 for fare 600, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is reserved in business class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.