You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I would like travel from DEN to ORD, can you please help me in booking a flight ticket?

ASSISTANT: Sure, would you like to travel on a direct flight or a connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Ok, when are you planning your trip?

USER: I would like to start my journey on July 01 and return back on July 03.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Myself Debra Allen.

ASSISTANT: Delta Airlines has a connecting flight with number 1029 for fare 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us and have a safe flight.