You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight tikcet to DEN from PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Feb 02 to Feb 04.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Mark Brown.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1006 having an business class. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you fro choosing us.